1 Learning Objectives

By the end of this lesson you should be able to:

  1. Recall and explain how the {ggplot2} package for data visualization is based on a theoretical framework called the grammar of graphics.

  2. Name and describe the 3 essential components required for building a graph: data, aesthetics, and geometries.

  3. Write code to build a complete ggplot graphic by correctly supplying the 3 essential layers to the ggplot() function.

  4. Create different types of plots such as scatter plots, line graphs, and bar graphs.

  5. Add or modify aesthetic mappings of a plot such as the color and fill.

Illustration by Allison Horst
Illustration by Allison Horst

2 Packages

# Load packages 
pacman::p_load(tidyverse,
               here)

3 Measles outbreaks in Niger

• We will visualize patterns of measles epidemics in Niger

• Measles is a highly infectious virus spread by airborne respiratory droplets

• Fluctuation in population density drives measles dynamics

3.1 The nigerm dataset

Weekly case reports of measles surveyed from different regions

• Collected by the Ministry of Health of Niger from 1995 to 2005

• Load the nigerm data frame we will use for plotting:

# Import preprocessed data to RStudio Environment
load(here("data/clean/nigerm_cases_rgn.RData"))

Take a moment to explore the data:

# Print Niger measles (nigerm) data frame
nigerm
##      year week    region cases
## 1    1995    1    Agadez     0
## 2    1995    1     Diffa     0
## 3    1995    1     Dosso     4
## 4    1995    1    Maradi    64
## 5    1995    1    Niamey    22
## 6    1995    1    Tahoua    16
## 7    1995    1 Tillaberi     1
## 8    1995    1    Zinder     3
## 9    1995    2    Agadez     0
## 10   1995    2     Diffa     0
## 11   1995    2     Dosso    18
## 12   1995    2    Maradi    75
## 13   1995    2    Niamey    21
## 14   1995    2    Tahoua    13
## 15   1995    2 Tillaberi    32
## 16   1995    2    Zinder     0
## 17   1995    3    Agadez     0
## 18   1995    3     Diffa     0
## 19   1995    3     Dosso    31
## 20   1995    3    Maradi   123
## 21   1995    3    Niamey    30
## 22   1995    3    Tahoua    75
## 23   1995    3 Tillaberi    29
## 24   1995    3    Zinder     9
## 25   1995    4    Agadez     0
## 26   1995    4     Diffa     0
## 27   1995    4     Dosso    51
## 28   1995    4    Maradi   155
## 29   1995    4    Niamey    39
## 30   1995    4    Tahoua    78
## 31   1995    4 Tillaberi    29
## 32   1995    4    Zinder     2
## 33   1995    5    Agadez     1
## 34   1995    5     Diffa     0
## 35   1995    5     Dosso    70
## 36   1995    5    Maradi   158
## 37   1995    5    Niamey    22
## 38   1995    5    Tahoua    67
## 39   1995    5 Tillaberi    49
## 40   1995    5    Zinder    15
## 41   1995    6    Agadez     1
## 42   1995    6     Diffa     0
## 43   1995    6     Dosso   105
## 44   1995    6    Maradi   184
## 45   1995    6    Niamey   102
## 46   1995    6    Tahoua    67
## 47   1995    6 Tillaberi    49
## 48   1995    6    Zinder     5
## 49   1995    7    Agadez     1
## 50   1995    7     Diffa     0
## 51   1995    7     Dosso   114
## 52   1995    7    Maradi   183
## 53   1995    7    Niamey   195
## 54   1995    7    Tahoua    57
## 55   1995    7 Tillaberi    44
## 56   1995    7    Zinder     9
## 57   1995    8    Agadez     0
## 58   1995    8     Diffa     0
## 59   1995    8     Dosso   195
## 60   1995    8    Maradi   210
## 61   1995    8    Niamey   201
## 62   1995    8    Tahoua    99
## 63   1995    8 Tillaberi   212
## 64   1995    8    Zinder     6
## 65   1995    9    Agadez     1
## 66   1995    9     Diffa     3
## 67   1995    9     Dosso   250
## 68   1995    9    Maradi   160
## 69   1995    9    Niamey   346
## 70   1995    9    Tahoua   109
## 71   1995    9 Tillaberi   228
## 72   1995    9    Zinder     4
## 73   1995   10    Agadez     9
## 74   1995   10     Diffa     0
## 75   1995   10     Dosso   488
## 76   1995   10    Maradi   336
## 77   1995   10    Niamey   577
## 78   1995   10    Tahoua   132
## 79   1995   10 Tillaberi   402
## 80   1995   10    Zinder     6
## 81   1995   11    Agadez     0
## 82   1995   11     Diffa     0
## 83   1995   11     Dosso   614
## 84   1995   11    Maradi    48
## 85   1995   11    Niamey   638
## 86   1995   11    Tahoua   142
## 87   1995   11 Tillaberi   588
## 88   1995   11    Zinder     8
## 89   1995   12    Agadez     1
## 90   1995   12     Diffa     2
## 91   1995   12     Dosso   977
## 92   1995   12    Maradi   177
## 93   1995   12    Niamey  1634
## 94   1995   12    Tahoua   260
## 95   1995   12 Tillaberi   718
## 96   1995   12    Zinder    12
## 97   1995   13    Agadez    28
## 98   1995   13     Diffa     1
## 99   1995   13     Dosso   769
## 100  1995   13    Maradi   432
## 101  1995   13    Niamey  1845
## 102  1995   13    Tahoua   429
## 103  1995   13 Tillaberi   883
## 104  1995   13    Zinder    13
## 105  1995   14    Agadez    38
## 106  1995   14     Diffa     3
## 107  1995   14     Dosso  1011
## 108  1995   14    Maradi   383
## 109  1995   14    Niamey  1807
## 110  1995   14    Tahoua   348
## 111  1995   14 Tillaberi  1188
## 112  1995   14    Zinder    15
## 113  1995   15    Agadez    59
## 114  1995   15     Diffa     0
## 115  1995   15     Dosso   760
## 116  1995   15    Maradi   517
## 117  1995   15    Niamey  1660
## 118  1995   15    Tahoua   464
## 119  1995   15 Tillaberi  1011
## 120  1995   15    Zinder    13
## 121  1995   16    Agadez    57
## 122  1995   16     Diffa     6
## 123  1995   16     Dosso  1036
## 124  1995   16    Maradi   617
## 125  1995   16    Niamey   583
## 126  1995   16    Tahoua   419
## 127  1995   16 Tillaberi  1303
## 128  1995   16    Zinder    15
## 129  1995   17    Agadez    55
## 130  1995   17     Diffa    25
## 131  1995   17     Dosso   931
## 132  1995   17    Maradi   612
## 133  1995   17    Niamey  1001
## 134  1995   17    Tahoua   546
## 135  1995   17 Tillaberi  1162
## 136  1995   17    Zinder    19
## 137  1995   18    Agadez    60
## 138  1995   18     Diffa    13
## 139  1995   18     Dosso   912
## 140  1995   18    Maradi   623
## 141  1995   18    Niamey   398
## 142  1995   18    Tahoua   490
## 143  1995   18 Tillaberi  1097
## 144  1995   18    Zinder    22
## 145  1995   19    Agadez    44
## 146  1995   19     Diffa    36
## 147  1995   19     Dosso   812
## 148  1995   19    Maradi   640
## 149  1995   19    Niamey   323
## 150  1995   19    Tahoua   545
## 151  1995   19 Tillaberi  1003
## 152  1995   19    Zinder    18
## 153  1995   20    Agadez    43
## 154  1995   20     Diffa     7
## 155  1995   20     Dosso   733
## 156  1995   20    Maradi   580
## 157  1995   20    Niamey   321
## 158  1995   20    Tahoua   510
## 159  1995   20 Tillaberi  1095
## 160  1995   20    Zinder    43
## 161  1995   21    Agadez    46
## 162  1995   21     Diffa    32
## 163  1995   21     Dosso   534
## 164  1995   21    Maradi   622
## 165  1995   21    Niamey   212
## 166  1995   21    Tahoua   445
## 167  1995   21 Tillaberi  1103
## 168  1995   21    Zinder    47
## 169  1995   22    Agadez     6
## 170  1995   22     Diffa    18
## 171  1995   22     Dosso   445
## 172  1995   22    Maradi   607
## 173  1995   22    Niamey   111
## 174  1995   22    Tahoua   552
## 175  1995   22 Tillaberi   986
## 176  1995   22    Zinder    40
## 177  1995   23    Agadez    39
## 178  1995   23     Diffa    71
## 179  1995   23     Dosso   382
## 180  1995   23    Maradi   718
## 181  1995   23    Niamey    72
## 182  1995   23    Tahoua   481
## 183  1995   23 Tillaberi   976
## 184  1995   23    Zinder    85
## 185  1995   24    Agadez    17
## 186  1995   24     Diffa    41
## 187  1995   24     Dosso   371
## 188  1995   24    Maradi   530
## 189  1995   24    Niamey    48
## 190  1995   24    Tahoua   571
## 191  1995   24 Tillaberi   572
## 192  1995   24    Zinder    57
## 193  1995   25    Agadez    30
## 194  1995   25     Diffa    20
## 195  1995   25     Dosso   182
## 196  1995   25    Maradi   492
## 197  1995   25    Niamey    24
## 198  1995   25    Tahoua   305
## 199  1995   25 Tillaberi   477
## 200  1995   25    Zinder    29
## 201  1995   26    Agadez    19
## 202  1995   26     Diffa    32
## 203  1995   26     Dosso   150
## 204  1995   26    Maradi   353
## 205  1995   26    Niamey    29
## 206  1995   26    Tahoua   308
## 207  1995   26 Tillaberi   392
## 208  1995   26    Zinder    20
## 209  1995   27    Agadez    19
## 210  1995   27     Diffa    34
## 211  1995   27     Dosso   134
## 212  1995   27    Maradi   241
## 213  1995   27    Niamey    10
## 214  1995   27    Tahoua   231
## 215  1995   27 Tillaberi   390
## 216  1995   27    Zinder    18
## 217  1995   28    Agadez     8
## 218  1995   28     Diffa    41
## 219  1995   28     Dosso   119
## 220  1995   28    Maradi   195
## 221  1995   28    Niamey     9
## 222  1995   28    Tahoua   174
## 223  1995   28 Tillaberi   246
## 224  1995   28    Zinder    16
## 225  1995   29    Agadez     0
## 226  1995   29     Diffa    19
## 227  1995   29     Dosso    62
## 228  1995   29    Maradi    69
## 229  1995   29    Niamey     7
## 230  1995   29    Tahoua   169
## 231  1995   29 Tillaberi   237
## 232  1995   29    Zinder     3
## 233  1995   30    Agadez     2
## 234  1995   30     Diffa    21
## 235  1995   30     Dosso   116
## 236  1995   30    Maradi   133
## 237  1995   30    Niamey     9
## 238  1995   30    Tahoua   108
## 239  1995   30 Tillaberi   336
## 240  1995   30    Zinder     8
## 241  1995   31    Agadez     2
## 242  1995   31     Diffa    19
## 243  1995   31     Dosso    54
## 244  1995   31    Maradi    80
## 245  1995   31    Niamey     0
## 246  1995   31    Tahoua   103
## 247  1995   31 Tillaberi   192
## 248  1995   31    Zinder     7
## 249  1995   32    Agadez     0
## 250  1995   32     Diffa    17
## 251  1995   32     Dosso    30
## 252  1995   32    Maradi    59
## 253  1995   32    Niamey     0
## 254  1995   32    Tahoua    74
## 255  1995   32 Tillaberi   164
## 256  1995   32    Zinder     3
## 257  1995   33    Agadez     2
## 258  1995   33     Diffa     5
## 259  1995   33     Dosso    42
## 260  1995   33    Maradi    68
## 261  1995   33    Niamey     1
## 262  1995   33    Tahoua    94
## 263  1995   33 Tillaberi   191
## 264  1995   33    Zinder     4
## 265  1995   34    Agadez     7
## 266  1995   34     Diffa     4
## 267  1995   34     Dosso    49
## 268  1995   34    Maradi    23
## 269  1995   34    Niamey     1
## 270  1995   34    Tahoua    83
## 271  1995   34 Tillaberi   118
## 272  1995   34    Zinder     1
## 273  1995   35    Agadez     5
## 274  1995   35     Diffa    13
## 275  1995   35     Dosso    52
## 276  1995   35    Maradi    37
## 277  1995   35    Niamey     0
## 278  1995   35    Tahoua    59
## 279  1995   35 Tillaberi   135
## 280  1995   35    Zinder     1
## 281  1995   36    Agadez     2
## 282  1995   36     Diffa    12
## 283  1995   36     Dosso    30
## 284  1995   36    Maradi    22
## 285  1995   36    Niamey     1
## 286  1995   36    Tahoua    33
## 287  1995   36 Tillaberi   157
## 288  1995   36    Zinder     0
## 289  1995   37    Agadez    21
## 290  1995   37     Diffa     4
## 291  1995   37     Dosso    39
## 292  1995   37    Maradi    21
## 293  1995   37    Niamey     0
## 294  1995   37    Tahoua    52
## 295  1995   37 Tillaberi   118
## 296  1995   37    Zinder     0
## 297  1995   38    Agadez    13
## 298  1995   38     Diffa    11
## 299  1995   38     Dosso    72
## 300  1995   38    Maradi    27
## 301  1995   38    Niamey     0
## 302  1995   38    Tahoua    50
## 303  1995   38 Tillaberi    58
## 304  1995   38    Zinder     0
## 305  1995   39    Agadez    19
## 306  1995   39     Diffa     4
## 307  1995   39     Dosso    22
## 308  1995   39    Maradi     9
## 309  1995   39    Niamey     1
## 310  1995   39    Tahoua    81
## 311  1995   39 Tillaberi    47
## 312  1995   39    Zinder     0
## 313  1995   40    Agadez    25
## 314  1995   40     Diffa    14
## 315  1995   40     Dosso    35
## 316  1995   40    Maradi    11
## 317  1995   40    Niamey     0
## 318  1995   40    Tahoua    49
## 319  1995   40 Tillaberi    58
## 320  1995   40    Zinder     4
## 321  1995   41    Agadez    13
## 322  1995   41     Diffa    26
## 323  1995   41     Dosso    22
## 324  1995   41    Maradi     7
## 325  1995   41    Niamey     0
## 326  1995   41    Tahoua    58
## 327  1995   41 Tillaberi    52
## 328  1995   41    Zinder     5
## 329  1995   42    Agadez     8
## 330  1995   42     Diffa    15
## 331  1995   42     Dosso    32
## 332  1995   42    Maradi    50
## 333  1995   42    Niamey     0
## 334  1995   42    Tahoua    31
## 335  1995   42 Tillaberi    52
## 336  1995   42    Zinder     3
## 337  1995   43    Agadez     5
## 338  1995   43     Diffa    17
## 339  1995   43     Dosso    40
## 340  1995   43    Maradi    27
## 341  1995   43    Niamey     0
## 342  1995   43    Tahoua    53
## 343  1995   43 Tillaberi   103
## 344  1995   43    Zinder     5
## 345  1995   44    Agadez    62
## 346  1995   44     Diffa    14
## 347  1995   44     Dosso    17
## 348  1995   44    Maradi    50
## 349  1995   44    Niamey     0
## 350  1995   44    Tahoua    58
## 351  1995   44 Tillaberi    71
## 352  1995   44    Zinder     3
## 353  1995   45    Agadez    85
## 354  1995   45     Diffa     5
## 355  1995   45     Dosso    53
## 356  1995   45    Maradi     9
## 357  1995   45    Niamey     0
## 358  1995   45    Tahoua    87
## 359  1995   45 Tillaberi    27
## 360  1995   45    Zinder     5
## 361  1995   46    Agadez   159
## 362  1995   46     Diffa     6
## 363  1995   46     Dosso    38
## 364  1995   46    Maradi    80
## 365  1995   46    Niamey     0
## 366  1995   46    Tahoua    54
## 367  1995   46 Tillaberi    17
## 368  1995   46    Zinder     4
## 369  1995   47    Agadez    85
## 370  1995   47     Diffa    27
## 371  1995   47     Dosso    80
## 372  1995   47    Maradi     5
## 373  1995   47    Niamey     0
## 374  1995   47    Tahoua    59
## 375  1995   47 Tillaberi    32
## 376  1995   47    Zinder     7
## 377  1995   48    Agadez   145
## 378  1995   48     Diffa    16
## 379  1995   48     Dosso    22
## 380  1995   48    Maradi    73
## 381  1995   48    Niamey     0
## 382  1995   48    Tahoua    41
## 383  1995   48 Tillaberi    52
## 384  1995   48    Zinder     6
## 385  1995   49    Agadez   126
## 386  1995   49     Diffa     8
## 387  1995   49     Dosso   139
## 388  1995   49    Maradi    97
## 389  1995   49    Niamey     0
## 390  1995   49    Tahoua    77
## 391  1995   49 Tillaberi    43
## 392  1995   49    Zinder    19
## 393  1995   50    Agadez   157
## 394  1995   50     Diffa    14
## 395  1995   50     Dosso   150
## 396  1995   50    Maradi    66
## 397  1995   50    Niamey     2
## 398  1995   50    Tahoua   116
## 399  1995   50 Tillaberi    77
## 400  1995   50    Zinder    39
## 401  1995   51    Agadez   141
## 402  1995   51     Diffa    18
## 403  1995   51     Dosso   125
## 404  1995   51    Maradi    88
## 405  1995   51    Niamey     0
## 406  1995   51    Tahoua    67
## 407  1995   51 Tillaberi   121
## 408  1995   51    Zinder    13
## 409  1995   52    Agadez   111
## 410  1995   52     Diffa    40
## 411  1995   52     Dosso   162
## 412  1995   52    Maradi    95
## 413  1995   52    Niamey     0
## 414  1995   52    Tahoua    99
## 415  1995   52 Tillaberi    75
## 416  1995   52    Zinder    19
## 417  1996    1    Agadez   120
## 418  1996    1     Diffa    75
## 419  1996    1     Dosso    98
## 420  1996    1    Maradi   123
## 421  1996    1    Niamey     0
## 422  1996    1    Tahoua   113
## 423  1996    1 Tillaberi    42
## 424  1996    1    Zinder    25
## 425  1996    2    Agadez   120
## 426  1996    2     Diffa    96
## 427  1996    2     Dosso    96
## 428  1996    2    Maradi   128
## 429  1996    2    Niamey     0
## 430  1996    2    Tahoua   102
## 431  1996    2 Tillaberi   115
## 432  1996    2    Zinder    66
## 433  1996    3    Agadez   114
## 434  1996    3     Diffa    46
## 435  1996    3     Dosso    76
## 436  1996    3    Maradi   139
## 437  1996    3    Niamey     0
## 438  1996    3    Tahoua   144
## 439  1996    3 Tillaberi   118
## 440  1996    3    Zinder    83
## 441  1996    4    Agadez   111
## 442  1996    4     Diffa    54
## 443  1996    4     Dosso   126
## 444  1996    4    Maradi   151
## 445  1996    4    Niamey     0
## 446  1996    4    Tahoua   108
## 447  1996    4 Tillaberi    74
## 448  1996    4    Zinder   115
## 449  1996    5    Agadez   110
## 450  1996    5     Diffa    70
## 451  1996    5     Dosso   133
## 452  1996    5    Maradi   256
## 453  1996    5    Niamey    10
## 454  1996    5    Tahoua   164
## 455  1996    5 Tillaberi    99
## 456  1996    5    Zinder   146
## 457  1996    6    Agadez    89
## 458  1996    6     Diffa    44
## 459  1996    6     Dosso   132
## 460  1996    6    Maradi   327
## 461  1996    6    Niamey     8
## 462  1996    6    Tahoua   282
## 463  1996    6 Tillaberi     5
## 464  1996    6    Zinder   294
## 465  1996    7    Agadez    72
## 466  1996    7     Diffa   175
## 467  1996    7     Dosso   159
## 468  1996    7    Maradi   349
## 469  1996    7    Niamey     5
## 470  1996    7    Tahoua   473
## 471  1996    7 Tillaberi   157
## 472  1996    7    Zinder   496
## 473  1996    8    Agadez    72
## 474  1996    8     Diffa   204
## 475  1996    8     Dosso   180
## 476  1996    8    Maradi   371
## 477  1996    8    Niamey    10
## 478  1996    8    Tahoua   436
## 479  1996    8 Tillaberi   172
## 480  1996    8    Zinder   446
## 481  1996    9    Agadez    54
## 482  1996    9     Diffa   225
## 483  1996    9     Dosso   106
## 484  1996    9    Maradi   402
## 485  1996    9    Niamey     9
## 486  1996    9    Tahoua   590
## 487  1996    9 Tillaberi   102
## 488  1996    9    Zinder   714
## 489  1996   10    Agadez    51
## 490  1996   10     Diffa   250
## 491  1996   10     Dosso    99
## 492  1996   10    Maradi   411
## 493  1996   10    Niamey     5
## 494  1996   10    Tahoua   629
## 495  1996   10 Tillaberi   339
## 496  1996   10    Zinder   632
## 497  1996   11    Agadez    68
## 498  1996   11     Diffa   277
## 499  1996   11     Dosso   115
## 500  1996   11    Maradi   726
## 501  1996   11    Niamey    26
## 502  1996   11    Tahoua   636
## 503  1996   11 Tillaberi   208
## 504  1996   11    Zinder   929
## 505  1996   12    Agadez    49
## 506  1996   12     Diffa   242
## 507  1996   12     Dosso   193
## 508  1996   12    Maradi   686
## 509  1996   12    Niamey     8
## 510  1996   12    Tahoua   716
## 511  1996   12 Tillaberi   135
## 512  1996   12    Zinder  1147
## 513  1996   13    Agadez    45
## 514  1996   13     Diffa   145
## 515  1996   13     Dosso    90
## 516  1996   13    Maradi   650
## 517  1996   13    Niamey    18
## 518  1996   13    Tahoua   587
## 519  1996   13 Tillaberi   209
## 520  1996   13    Zinder  1493
## 521  1996   14    Agadez    24
## 522  1996   14     Diffa   154
## 523  1996   14     Dosso   126
## 524  1996   14    Maradi   907
## 525  1996   14    Niamey     0
## 526  1996   14    Tahoua   494
## 527  1996   14 Tillaberi   269
## 528  1996   14    Zinder  1599
## 529  1996   15    Agadez    51
## 530  1996   15     Diffa   153
## 531  1996   15     Dosso   110
## 532  1996   15    Maradi   891
## 533  1996   15    Niamey    19
## 534  1996   15    Tahoua   591
## 535  1996   15 Tillaberi   167
## 536  1996   15    Zinder  1462
## 537  1996   16    Agadez    28
## 538  1996   16     Diffa   105
## 539  1996   16     Dosso   129
## 540  1996   16    Maradi   936
## 541  1996   16    Niamey    34
## 542  1996   16    Tahoua   692
## 543  1996   16 Tillaberi   101
## 544  1996   16    Zinder  1778
## 545  1996   17    Agadez    31
## 546  1996   17     Diffa   130
## 547  1996   17     Dosso   125
## 548  1996   17    Maradi   843
## 549  1996   17    Niamey    28
## 550  1996   17    Tahoua   634
## 551  1996   17 Tillaberi   171
## 552  1996   17    Zinder  1836
## 553  1996   18    Agadez    17
## 554  1996   18     Diffa    73
## 555  1996   18     Dosso   134
## 556  1996   18    Maradi   913
## 557  1996   18    Niamey    26
## 558  1996   18    Tahoua   514
## 559  1996   18 Tillaberi   245
## 560  1996   18    Zinder  1801
## 561  1996   19    Agadez    21
## 562  1996   19     Diffa    84
## 563  1996   19     Dosso   122
## 564  1996   19    Maradi   909
## 565  1996   19    Niamey    27
## 566  1996   19    Tahoua   569
## 567  1996   19 Tillaberi    92
## 568  1996   19    Zinder  1742
## 569  1996   20    Agadez    39
## 570  1996   20     Diffa    69
## 571  1996   20     Dosso    72
## 572  1996   20    Maradi  1089
## 573  1996   20    Niamey    26
## 574  1996   20    Tahoua   529
## 575  1996   20 Tillaberi    84
## 576  1996   20    Zinder  1887
## 577  1996   21    Agadez     8
## 578  1996   21     Diffa    73
## 579  1996   21     Dosso    85
## 580  1996   21    Maradi   932
## 581  1996   21    Niamey    17
## 582  1996   21    Tahoua   324
## 583  1996   21 Tillaberi   113
## 584  1996   21    Zinder  1666
## 585  1996   22    Agadez    19
## 586  1996   22     Diffa    58
## 587  1996   22     Dosso   119
## 588  1996   22    Maradi   959
## 589  1996   22    Niamey    12
## 590  1996   22    Tahoua   430
## 591  1996   22 Tillaberi    82
## 592  1996   22    Zinder  1512
## 593  1996   23    Agadez     5
## 594  1996   23     Diffa    24
## 595  1996   23     Dosso    46
## 596  1996   23    Maradi   777
## 597  1996   23    Niamey     4
## 598  1996   23    Tahoua   354
## 599  1996   23 Tillaberi    63
## 600  1996   23    Zinder  1028
## 601  1996   24    Agadez     2
## 602  1996   24     Diffa    32
## 603  1996   24     Dosso    32
## 604  1996   24    Maradi   574
## 605  1996   24    Niamey     1
## 606  1996   24    Tahoua   274
## 607  1996   24 Tillaberi    80
## 608  1996   24    Zinder   910
## 609  1996   25    Agadez     0
## 610  1996   25     Diffa    27
## 611  1996   25     Dosso    26
## 612  1996   25    Maradi   475
## 613  1996   25    Niamey     7
## 614  1996   25    Tahoua   175
## 615  1996   25 Tillaberi    73
## 616  1996   25    Zinder   697
## 617  1996   26    Agadez     0
## 618  1996   26     Diffa     8
## 619  1996   26     Dosso    11
## 620  1996   26    Maradi   389
## 621  1996   26    Niamey     3
## 622  1996   26    Tahoua   165
## 623  1996   26 Tillaberi    32
## 624  1996   26    Zinder   454
## 625  1996   27    Agadez    12
## 626  1996   27     Diffa    21
## 627  1996   27     Dosso    35
## 628  1996   27    Maradi   248
## 629  1996   27    Niamey     2
## 630  1996   27    Tahoua   132
## 631  1996   27 Tillaberi    41
## 632  1996   27    Zinder   310
## 633  1996   28    Agadez     0
## 634  1996   28     Diffa    10
## 635  1996   28     Dosso    16
## 636  1996   28    Maradi   235
## 637  1996   28    Niamey     2
## 638  1996   28    Tahoua   126
## 639  1996   28 Tillaberi    54
## 640  1996   28    Zinder   242
## 641  1996   29    Agadez     0
## 642  1996   29     Diffa     9
## 643  1996   29     Dosso    27
## 644  1996   29    Maradi   237
## 645  1996   29    Niamey     3
## 646  1996   29    Tahoua   107
## 647  1996   29 Tillaberi    25
## 648  1996   29    Zinder   199
## 649  1996   30    Agadez     0
## 650  1996   30     Diffa    11
## 651  1996   30     Dosso    21
## 652  1996   30    Maradi   139
## 653  1996   30    Niamey     0
## 654  1996   30    Tahoua    50
## 655  1996   30 Tillaberi    12
## 656  1996   30    Zinder   116
## 657  1996   31    Agadez     0
## 658  1996   31     Diffa     4
## 659  1996   31     Dosso     7
## 660  1996   31    Maradi   114
## 661  1996   31    Niamey     0
## 662  1996   31    Tahoua    88
## 663  1996   31 Tillaberi    19
## 664  1996   31    Zinder    94
## 665  1996   32    Agadez     6
## 666  1996   32     Diffa     3
## 667  1996   32     Dosso     3
## 668  1996   32    Maradi    96
## 669  1996   32    Niamey     0
## 670  1996   32    Tahoua    57
## 671  1996   32 Tillaberi    23
## 672  1996   32    Zinder    91
## 673  1996   33    Agadez     0
## 674  1996   33     Diffa     0
## 675  1996   33     Dosso    11
## 676  1996   33    Maradi    87
## 677  1996   33    Niamey     0
## 678  1996   33    Tahoua    34
## 679  1996   33 Tillaberi     9
## 680  1996   33    Zinder   102
## 681  1996   34    Agadez     0
## 682  1996   34     Diffa     2
## 683  1996   34     Dosso     0
## 684  1996   34    Maradi    81
## 685  1996   34    Niamey     0
## 686  1996   34    Tahoua    24
## 687  1996   34 Tillaberi    12
## 688  1996   34    Zinder   110
## 689  1996   35    Agadez     1
## 690  1996   35     Diffa     1
## 691  1996   35     Dosso     4
## 692  1996   35    Maradi   102
## 693  1996   35    Niamey     0
## 694  1996   35    Tahoua    22
## 695  1996   35 Tillaberi     9
## 696  1996   35    Zinder    56
## 697  1996   36    Agadez     0
## 698  1996   36     Diffa     3
## 699  1996   36     Dosso     2
## 700  1996   36    Maradi    56
## 701  1996   36    Niamey     0
## 702  1996   36    Tahoua    25
## 703  1996   36 Tillaberi    18
## 704  1996   36    Zinder    52
## 705  1996   37    Agadez     0
## 706  1996   37     Diffa     0
## 707  1996   37     Dosso     4
## 708  1996   37    Maradi    65
## 709  1996   37    Niamey     8
## 710  1996   37    Tahoua    21
## 711  1996   37 Tillaberi     7
## 712  1996   37    Zinder    45
## 713  1996   38    Agadez     0
## 714  1996   38     Diffa     0
## 715  1996   38     Dosso     1
## 716  1996   38    Maradi    69
## 717  1996   38    Niamey     0
## 718  1996   38    Tahoua     7
## 719  1996   38 Tillaberi     1
## 720  1996   38    Zinder    28
## 721  1996   39    Agadez     0
## 722  1996   39     Diffa     0
## 723  1996   39     Dosso     0
## 724  1996   39    Maradi   100
## 725  1996   39    Niamey     0
## 726  1996   39    Tahoua    14
## 727  1996   39 Tillaberi     6
## 728  1996   39    Zinder    21
## 729  1996   40    Agadez     0
## 730  1996   40     Diffa     0
## 731  1996   40     Dosso     5
## 732  1996   40    Maradi    78
## 733  1996   40    Niamey     0
## 734  1996   40    Tahoua    26
## 735  1996   40 Tillaberi     4
## 736  1996   40    Zinder    15
## 737  1996   41    Agadez     0
## 738  1996   41     Diffa     0
## 739  1996   41     Dosso     1
## 740  1996   41    Maradi   133
## 741  1996   41    Niamey     2
## 742  1996   41    Tahoua    30
## 743  1996   41 Tillaberi    11
## 744  1996   41    Zinder    17
## 745  1996   42    Agadez     0
## 746  1996   42     Diffa     1
## 747  1996   42     Dosso     0
## 748  1996   42    Maradi   165
## 749  1996   42    Niamey     1
## 750  1996   42    Tahoua    26
## 751  1996   42 Tillaberi    13
## 752  1996   42    Zinder    19
## 753  1996   43    Agadez     2
## 754  1996   43     Diffa     0
## 755  1996   43     Dosso     0
## 756  1996   43    Maradi   136
## 757  1996   43    Niamey     0
## 758  1996   43    Tahoua    19
## 759  1996   43 Tillaberi     1
## 760  1996   43    Zinder    20
## 761  1996   44    Agadez     0
## 762  1996   44     Diffa     0
## 763  1996   44     Dosso     0
## 764  1996   44    Maradi   101
## 765  1996   44    Niamey     0
## 766  1996   44    Tahoua     7
## 767  1996   44 Tillaberi     4
## 768  1996   44    Zinder    32
## 769  1996   45    Agadez     0
## 770  1996   45     Diffa     0
## 771  1996   45     Dosso     2
## 772  1996   45    Maradi   102
## 773  1996   45    Niamey     0
## 774  1996   45    Tahoua    13
## 775  1996   45 Tillaberi     0
## 776  1996   45    Zinder    26
## 777  1996   46    Agadez     0
## 778  1996   46     Diffa     0
## 779  1996   46     Dosso     0
## 780  1996   46    Maradi   128
## 781  1996   46    Niamey     0
## 782  1996   46    Tahoua     9
## 783  1996   46 Tillaberi     2
## 784  1996   46    Zinder    19
## 785  1996   47    Agadez     0
## 786  1996   47     Diffa     0
## 787  1996   47     Dosso     0
## 788  1996   47    Maradi   137
## 789  1996   47    Niamey     1
## 790  1996   47    Tahoua     6
## 791  1996   47 Tillaberi     0
## 792  1996   47    Zinder    46
## 793  1996   48    Agadez     0
## 794  1996   48     Diffa     0
## 795  1996   48     Dosso     0
## 796  1996   48    Maradi   156
## 797  1996   48    Niamey     0
## 798  1996   48    Tahoua     9
## 799  1996   48 Tillaberi     1
## 800  1996   48    Zinder    37
## 801  1996   49    Agadez     0
## 802  1996   49     Diffa     0
## 803  1996   49     Dosso     0
## 804  1996   49    Maradi   185
## 805  1996   49    Niamey     0
## 806  1996   49    Tahoua    49
## 807  1996   49 Tillaberi     0
## 808  1996   49    Zinder    62
## 809  1996   50    Agadez     1
## 810  1996   50     Diffa     0
## 811  1996   50     Dosso    12
## 812  1996   50    Maradi   181
## 813  1996   50    Niamey     0
## 814  1996   50    Tahoua   134
## 815  1996   50 Tillaberi     0
## 816  1996   50    Zinder    56
## 817  1996   51    Agadez     0
## 818  1996   51     Diffa     0
## 819  1996   51     Dosso    10
## 820  1996   51    Maradi   201
## 821  1996   51    Niamey     0
## 822  1996   51    Tahoua    91
## 823  1996   51 Tillaberi     0
## 824  1996   51    Zinder   102
## 825  1996   52    Agadez     0
## 826  1996   52     Diffa     0
## 827  1996   52     Dosso     0
## 828  1996   52    Maradi   207
## 829  1996   52    Niamey     0
## 830  1996   52    Tahoua    20
## 831  1996   52 Tillaberi     0
## 832  1996   52    Zinder   120
## 833  1997    1    Agadez     4
## 834  1997    1     Diffa     0
## 835  1997    1     Dosso    10
## 836  1997    1    Maradi   226
## 837  1997    1    Niamey     0
## 838  1997    1    Tahoua     7
## 839  1997    1 Tillaberi     5
## 840  1997    1    Zinder   132
## 841  1997    2    Agadez     0
## 842  1997    2     Diffa     0
## 843  1997    2     Dosso    47
## 844  1997    2    Maradi   210
## 845  1997    2    Niamey     0
## 846  1997    2    Tahoua   117
## 847  1997    2 Tillaberi     4
## 848  1997    2    Zinder   166
## 849  1997    3    Agadez     0
## 850  1997    3     Diffa     0
## 851  1997    3     Dosso    35
## 852  1997    3    Maradi   410
## 853  1997    3    Niamey     2
## 854  1997    3    Tahoua    83
## 855  1997    3 Tillaberi     5
## 856  1997    3    Zinder   209
## 857  1997    4    Agadez     0
## 858  1997    4     Diffa     0
## 859  1997    4     Dosso     4
## 860  1997    4    Maradi   351
## 861  1997    4    Niamey    12
## 862  1997    4    Tahoua    74
## 863  1997    4 Tillaberi    18
## 864  1997    4    Zinder   243
## 865  1997    5    Agadez     0
## 866  1997    5     Diffa     0
## 867  1997    5     Dosso    13
## 868  1997    5    Maradi   393
## 869  1997    5    Niamey     7
## 870  1997    5    Tahoua    95
## 871  1997    5 Tillaberi    19
## 872  1997    5    Zinder   167
## 873  1997    6    Agadez     0
## 874  1997    6     Diffa     0
## 875  1997    6     Dosso    38
## 876  1997    6    Maradi   481
## 877  1997    6    Niamey     9
## 878  1997    6    Tahoua    70
## 879  1997    6 Tillaberi    34
## 880  1997    6    Zinder   159
## 881  1997    7    Agadez     0
## 882  1997    7     Diffa     0
## 883  1997    7     Dosso    32
## 884  1997    7    Maradi   416
## 885  1997    7    Niamey    12
## 886  1997    7    Tahoua   167
## 887  1997    7 Tillaberi    49
## 888  1997    7    Zinder   248
## 889  1997    8    Agadez     0
## 890  1997    8     Diffa     0
## 891  1997    8     Dosso    55
## 892  1997    8    Maradi   471
## 893  1997    8    Niamey    12
## 894  1997    8    Tahoua   207
## 895  1997    8 Tillaberi    70
## 896  1997    8    Zinder   215
## 897  1997    9    Agadez     0
## 898  1997    9     Diffa     2
## 899  1997    9     Dosso    72
## 900  1997    9    Maradi   552
## 901  1997    9    Niamey    12
## 902  1997    9    Tahoua   160
## 903  1997    9 Tillaberi    78
## 904  1997    9    Zinder   227
## 905  1997   10    Agadez     0
## 906  1997   10     Diffa     0
## 907  1997   10     Dosso    82
## 908  1997   10    Maradi   510
## 909  1997   10    Niamey    20
## 910  1997   10    Tahoua   301
## 911  1997   10 Tillaberi   145
## 912  1997   10    Zinder   227
## 913  1997   11    Agadez     0
## 914  1997   11     Diffa     0
## 915  1997   11     Dosso    17
## 916  1997   11    Maradi   504
## 917  1997   11    Niamey    55
## 918  1997   11    Tahoua   320
## 919  1997   11 Tillaberi   136
## 920  1997   11    Zinder   244
## 921  1997   12    Agadez     0
## 922  1997   12     Diffa     0
## 923  1997   12     Dosso    52
## 924  1997   12    Maradi   502
## 925  1997   12    Niamey    34
## 926  1997   12    Tahoua   345
## 927  1997   12 Tillaberi   135
## 928  1997   12    Zinder   212
## 929  1997   13    Agadez     2
## 930  1997   13     Diffa     0
## 931  1997   13     Dosso    64
## 932  1997   13    Maradi   495
## 933  1997   13    Niamey    55
## 934  1997   13    Tahoua   359
## 935  1997   13 Tillaberi   284
## 936  1997   13    Zinder   428
## 937  1997   14    Agadez     4
## 938  1997   14     Diffa     0
## 939  1997   14     Dosso    55
## 940  1997   14    Maradi   540
## 941  1997   14    Niamey    35
## 942  1997   14    Tahoua   394
## 943  1997   14 Tillaberi   256
## 944  1997   14    Zinder   249
## 945  1997   15    Agadez     7
## 946  1997   15     Diffa     0
## 947  1997   15     Dosso    67
## 948  1997   15    Maradi   507
## 949  1997   15    Niamey    40
## 950  1997   15    Tahoua   300
## 951  1997   15 Tillaberi   187
## 952  1997   15    Zinder   338
## 953  1997   16    Agadez    12
## 954  1997   16     Diffa     0
## 955  1997   16     Dosso    61
## 956  1997   16    Maradi   561
## 957  1997   16    Niamey    33
## 958  1997   16    Tahoua   292
## 959  1997   16 Tillaberi   213
## 960  1997   16    Zinder   372
## 961  1997   17    Agadez    10
## 962  1997   17     Diffa     0
## 963  1997   17     Dosso    73
## 964  1997   17    Maradi   634
## 965  1997   17    Niamey    43
## 966  1997   17    Tahoua   347
## 967  1997   17 Tillaberi   270
## 968  1997   17    Zinder   257
## 969  1997   18    Agadez    22
## 970  1997   18     Diffa     0
## 971  1997   18     Dosso    73
## 972  1997   18    Maradi   555
## 973  1997   18    Niamey    53
## 974  1997   18    Tahoua   318
## 975  1997   18 Tillaberi   216
## 976  1997   18    Zinder   263
## 977  1997   19    Agadez    17
## 978  1997   19     Diffa     1
## 979  1997   19     Dosso    58
## 980  1997   19    Maradi   630
## 981  1997   19    Niamey    31
## 982  1997   19    Tahoua   285
## 983  1997   19 Tillaberi   264
## 984  1997   19    Zinder   366
## 985  1997   20    Agadez     9
## 986  1997   20     Diffa     0
## 987  1997   20     Dosso    36
## 988  1997   20    Maradi   505
## 989  1997   20    Niamey    58
## 990  1997   20    Tahoua   341
## 991  1997   20 Tillaberi   314
## 992  1997   20    Zinder   417
## 993  1997   21    Agadez     3
## 994  1997   21     Diffa     0
## 995  1997   21     Dosso    59
## 996  1997   21    Maradi   517
## 997  1997   21    Niamey    30
## 998  1997   21    Tahoua   234
## 999  1997   21 Tillaberi   213
## 1000 1997   21    Zinder   328
## 1001 1997   22    Agadez    12
## 1002 1997   22     Diffa     0
## 1003 1997   22     Dosso    49
## 1004 1997   22    Maradi   416
## 1005 1997   22    Niamey    23
## 1006 1997   22    Tahoua   251
## 1007 1997   22 Tillaberi   174
## 1008 1997   22    Zinder   252
## 1009 1997   23    Agadez     0
## 1010 1997   23     Diffa     0
## 1011 1997   23     Dosso    24
## 1012 1997   23    Maradi   369
## 1013 1997   23    Niamey    22
## 1014 1997   23    Tahoua   156
## 1015 1997   23 Tillaberi   221
## 1016 1997   23    Zinder   258
## 1017 1997   24    Agadez     0
## 1018 1997   24     Diffa     0
## 1019 1997   24     Dosso    74
## 1020 1997   24    Maradi   274
## 1021 1997   24    Niamey    11
## 1022 1997   24    Tahoua   184
## 1023 1997   24 Tillaberi   190
## 1024 1997   24    Zinder   239
## 1025 1997   25    Agadez     2
## 1026 1997   25     Diffa     0
## 1027 1997   25     Dosso    59
## 1028 1997   25    Maradi   259
## 1029 1997   25    Niamey     5
## 1030 1997   25    Tahoua   209
## 1031 1997   25 Tillaberi    78
## 1032 1997   25    Zinder   183
## 1033 1997   26    Agadez     3
## 1034 1997   26     Diffa     0
## 1035 1997   26     Dosso    31
## 1036 1997   26    Maradi   188
## 1037 1997   26    Niamey     4
## 1038 1997   26    Tahoua    98
## 1039 1997   26 Tillaberi   130
## 1040 1997   26    Zinder   151
## 1041 1997   27    Agadez     4
## 1042 1997   27     Diffa     0
## 1043 1997   27     Dosso     7
## 1044 1997   27    Maradi   132
## 1045 1997   27    Niamey    10
## 1046 1997   27    Tahoua   106
## 1047 1997   27 Tillaberi    96
## 1048 1997   27    Zinder    91
## 1049 1997   28    Agadez     1
## 1050 1997   28     Diffa     0
## 1051 1997   28     Dosso    28
## 1052 1997   28    Maradi    77
## 1053 1997   28    Niamey     2
## 1054 1997   28    Tahoua    93
## 1055 1997   28 Tillaberi    61
## 1056 1997   28    Zinder   112
## 1057 1997   29    Agadez     0
## 1058 1997   29     Diffa     0
## 1059 1997   29     Dosso    16
## 1060 1997   29    Maradi    57
## 1061 1997   29    Niamey     2
## 1062 1997   29    Tahoua    79
## 1063 1997   29 Tillaberi    57
## 1064 1997   29    Zinder    43
## 1065 1997   30    Agadez     1
## 1066 1997   30     Diffa     1
## 1067 1997   30     Dosso    12
## 1068 1997   30    Maradi    76
## 1069 1997   30    Niamey     1
## 1070 1997   30    Tahoua    69
## 1071 1997   30 Tillaberi    46
## 1072 1997   30    Zinder    57
## 1073 1997   31    Agadez     0
## 1074 1997   31     Diffa     0
## 1075 1997   31     Dosso    10
## 1076 1997   31    Maradi    30
## 1077 1997   31    Niamey     2
## 1078 1997   31    Tahoua    52
## 1079 1997   31 Tillaberi    28
## 1080 1997   31    Zinder    44
## 1081 1997   32    Agadez     0
## 1082 1997   32     Diffa     0
## 1083 1997   32     Dosso     9
## 1084 1997   32    Maradi    54
## 1085 1997   32    Niamey     1
## 1086 1997   32    Tahoua    54
## 1087 1997   32 Tillaberi    36
## 1088 1997   32    Zinder    22
## 1089 1997   33    Agadez     0
## 1090 1997   33     Diffa     0
## 1091 1997   33     Dosso     3
## 1092 1997   33    Maradi    23
## 1093 1997   33    Niamey     4
## 1094 1997   33    Tahoua    36
## 1095 1997   33 Tillaberi    32
## 1096 1997   33    Zinder    51
## 1097 1997   34    Agadez     0
## 1098 1997   34     Diffa     0
## 1099 1997   34     Dosso     1
## 1100 1997   34    Maradi    36
## 1101 1997   34    Niamey     2
## 1102 1997   34    Tahoua    18
## 1103 1997   34 Tillaberi    19
## 1104 1997   34    Zinder    34
## 1105 1997   35    Agadez     0
## 1106 1997   35     Diffa     0
## 1107 1997   35     Dosso     4
## 1108 1997   35    Maradi    27
## 1109 1997   35    Niamey     1
## 1110 1997   35    Tahoua    27
## 1111 1997   35 Tillaberi    22
## 1112 1997   35    Zinder    39
## 1113 1997   36    Agadez     0
## 1114 1997   36     Diffa     0
## 1115 1997   36     Dosso     1
## 1116 1997   36    Maradi    19
## 1117 1997   36    Niamey     0
## 1118 1997   36    Tahoua    17
## 1119 1997   36 Tillaberi    26
## 1120 1997   36    Zinder    20
## 1121 1997   37    Agadez     0
## 1122 1997   37     Diffa     0
## 1123 1997   37     Dosso     8
## 1124 1997   37    Maradi    13
## 1125 1997   37    Niamey     0
## 1126 1997   37    Tahoua    23
## 1127 1997   37 Tillaberi    25
## 1128 1997   37    Zinder    24
## 1129 1997   38    Agadez     0
## 1130 1997   38     Diffa     0
## 1131 1997   38     Dosso     1
## 1132 1997   38    Maradi    13
## 1133 1997   38    Niamey     0
## 1134 1997   38    Tahoua    17
## 1135 1997   38 Tillaberi     5
## 1136 1997   38    Zinder    34
## 1137 1997   39    Agadez     0
## 1138 1997   39     Diffa     0
## 1139 1997   39     Dosso     1
## 1140 1997   39    Maradi     3
## 1141 1997   39    Niamey     0
## 1142 1997   39    Tahoua    10
## 1143 1997   39 Tillaberi    11
## 1144 1997   39    Zinder    32
## 1145 1997   40    Agadez     0
## 1146 1997   40     Diffa     0
## 1147 1997   40     Dosso     2
## 1148 1997   40    Maradi     1
## 1149 1997   40    Niamey     0
## 1150 1997   40    Tahoua    14
## 1151 1997   40 Tillaberi    15
## 1152 1997   40    Zinder    21
## 1153 1997   41    Agadez     0
## 1154 1997   41     Diffa     0
## 1155 1997   41     Dosso     7
## 1156 1997   41    Maradi     4
## 1157 1997   41    Niamey     1
## 1158 1997   41    Tahoua    31
## 1159 1997   41 Tillaberi    21
## 1160 1997   41    Zinder    18
## 1161 1997   42    Agadez     0
## 1162 1997   42     Diffa     1
## 1163 1997   42     Dosso     0
## 1164 1997   42    Maradi     9
## 1165 1997   42    Niamey     1
## 1166 1997   42    Tahoua     9
## 1167 1997   42 Tillaberi    37
## 1168 1997   42    Zinder     9
## 1169 1997   43    Agadez     0
## 1170 1997   43     Diffa     0
## 1171 1997   43     Dosso    38
## 1172 1997   43    Maradi     1
## 1173 1997   43    Niamey     0
## 1174 1997   43    Tahoua    19
## 1175 1997   43 Tillaberi    16
## 1176 1997   43    Zinder    16
## 1177 1997   44    Agadez     0
## 1178 1997   44     Diffa     0
## 1179 1997   44     Dosso     1
## 1180 1997   44    Maradi     0
## 1181 1997   44    Niamey     0
## 1182 1997   44    Tahoua    18
## 1183 1997   44 Tillaberi     4
## 1184 1997   44    Zinder    15
## 1185 1997   45    Agadez     0
## 1186 1997   45     Diffa     0
## 1187 1997   45     Dosso    12
## 1188 1997   45    Maradi     1
## 1189 1997   45    Niamey     3
## 1190 1997   45    Tahoua     9
## 1191 1997   45 Tillaberi    19
## 1192 1997   45    Zinder    12
## 1193 1997   46    Agadez     0
## 1194 1997   46     Diffa     0
## 1195 1997   46     Dosso     1
## 1196 1997   46    Maradi     8
## 1197 1997   46    Niamey     4
## 1198 1997   46    Tahoua    11
## 1199 1997   46 Tillaberi    23
## 1200 1997   46    Zinder     6
## 1201 1997   47    Agadez     0
## 1202 1997   47     Diffa     0
## 1203 1997   47     Dosso     7
## 1204 1997   47    Maradi     9
## 1205 1997   47    Niamey     0
## 1206 1997   47    Tahoua     7
## 1207 1997   47 Tillaberi    31
## 1208 1997   47    Zinder    16
## 1209 1997   48    Agadez     0
## 1210 1997   48     Diffa     0
## 1211 1997   48     Dosso    18
## 1212 1997   48    Maradi     2
## 1213 1997   48    Niamey     0
## 1214 1997   48    Tahoua    11
## 1215 1997   48 Tillaberi     5
## 1216 1997   48    Zinder     9
## 1217 1997   49    Agadez     0
## 1218 1997   49     Diffa     0
## 1219 1997   49     Dosso    22
## 1220 1997   49    Maradi     4
## 1221 1997   49    Niamey     0
## 1222 1997   49    Tahoua    14
## 1223 1997   49 Tillaberi     7
## 1224 1997   49    Zinder    11
## 1225 1997   50    Agadez     0
## 1226 1997   50     Diffa     0
## 1227 1997   50     Dosso    29
## 1228 1997   50    Maradi     6
## 1229 1997   50    Niamey     3
## 1230 1997   50    Tahoua    17
## 1231 1997   50 Tillaberi     1
## 1232 1997   50    Zinder     5
## 1233 1997   51    Agadez     0
## 1234 1997   51     Diffa     0
## 1235 1997   51     Dosso    17
## 1236 1997   51    Maradi    13
## 1237 1997   51    Niamey     0
## 1238 1997   51    Tahoua    21
## 1239 1997   51 Tillaberi    22
## 1240 1997   51    Zinder    17
## 1241 1997   52    Agadez     0
## 1242 1997   52     Diffa     0
## 1243 1997   52     Dosso    49
## 1244 1997   52    Maradi     9
## 1245 1997   52    Niamey     1
## 1246 1997   52    Tahoua    13
## 1247 1997   52 Tillaberi    19
## 1248 1997   52    Zinder    19
## 1249 1998    1    Agadez     0
## 1250 1998    1     Diffa     0
## 1251 1998    1     Dosso    48
## 1252 1998    1    Maradi     6
## 1253 1998    1    Niamey     1
## 1254 1998    1    Tahoua    31
## 1255 1998    1 Tillaberi    14
## 1256 1998    1    Zinder    20
## 1257 1998    2    Agadez     0
## 1258 1998    2     Diffa     0
## 1259 1998    2     Dosso    31
## 1260 1998    2    Maradi     3
## 1261 1998    2    Niamey     1
## 1262 1998    2    Tahoua    36
## 1263 1998    2 Tillaberi     9
## 1264 1998    2    Zinder    27
## 1265 1998    3    Agadez     0
## 1266 1998    3     Diffa     0
## 1267 1998    3     Dosso    39
## 1268 1998    3    Maradi    21
## 1269 1998    3    Niamey     1
## 1270 1998    3    Tahoua    56
## 1271 1998    3 Tillaberi    34
## 1272 1998    3    Zinder    27
## 1273 1998    4    Agadez     0
## 1274 1998    4     Diffa     0
## 1275 1998    4     Dosso    13
## 1276 1998    4    Maradi    17
## 1277 1998    4    Niamey     3
## 1278 1998    4    Tahoua    23
## 1279 1998    4 Tillaberi    32
## 1280 1998    4    Zinder    62
## 1281 1998    5    Agadez     0
## 1282 1998    5     Diffa     0
## 1283 1998    5     Dosso    31
## 1284 1998    5    Maradi    35
## 1285 1998    5    Niamey     2
## 1286 1998    5    Tahoua    27
## 1287 1998    5 Tillaberi    37
## 1288 1998    5    Zinder    42
## 1289 1998    6    Agadez     0
## 1290 1998    6     Diffa     0
## 1291 1998    6     Dosso     1
## 1292 1998    6    Maradi    16
## 1293 1998    6    Niamey     4
## 1294 1998    6    Tahoua    62
## 1295 1998    6 Tillaberi    34
## 1296 1998    6    Zinder    37
## 1297 1998    7    Agadez     0
## 1298 1998    7     Diffa     1
## 1299 1998    7     Dosso     6
## 1300 1998    7    Maradi    17
## 1301 1998    7    Niamey     2
## 1302 1998    7    Tahoua    35
## 1303 1998    7 Tillaberi    35
## 1304 1998    7    Zinder    53
## 1305 1998    8    Agadez     0
## 1306 1998    8     Diffa     1
## 1307 1998    8     Dosso    17
## 1308 1998    8    Maradi    25
## 1309 1998    8    Niamey     5
## 1310 1998    8    Tahoua    43
## 1311 1998    8 Tillaberi    39
## 1312 1998    8    Zinder    47
## 1313 1998    9    Agadez     0
## 1314 1998    9     Diffa     1
## 1315 1998    9     Dosso    36
## 1316 1998    9    Maradi    65
## 1317 1998    9    Niamey     5
## 1318 1998    9    Tahoua   100
## 1319 1998    9 Tillaberi    57
## 1320 1998    9    Zinder   102
## 1321 1998   10    Agadez     0
## 1322 1998   10     Diffa     0
## 1323 1998   10     Dosso    17
## 1324 1998   10    Maradi    24
## 1325 1998   10    Niamey     6
## 1326 1998   10    Tahoua    75
## 1327 1998   10 Tillaberi    52
## 1328 1998   10    Zinder    82
## 1329 1998   11    Agadez     0
## 1330 1998   11     Diffa     0
## 1331 1998   11     Dosso    10
## 1332 1998   11    Maradi    51
## 1333 1998   11    Niamey     8
## 1334 1998   11    Tahoua   132
## 1335 1998   11 Tillaberi    38
## 1336 1998   11    Zinder    90
## 1337 1998   12    Agadez     0
## 1338 1998   12     Diffa     0
## 1339 1998   12     Dosso    70
## 1340 1998   12    Maradi    34
## 1341 1998   12    Niamey    10
## 1342 1998   12    Tahoua    90
## 1343 1998   12 Tillaberi    87
## 1344 1998   12    Zinder    80
## 1345 1998   13    Agadez     0
## 1346 1998   13     Diffa     1
## 1347 1998   13     Dosso    62
## 1348 1998   13    Maradi    56
## 1349 1998   13    Niamey    11
## 1350 1998   13    Tahoua    89
## 1351 1998   13 Tillaberi    78
## 1352 1998   13    Zinder   158
## 1353 1998   14    Agadez     0
## 1354 1998   14     Diffa     0
## 1355 1998   14     Dosso    67
## 1356 1998   14    Maradi    62
## 1357 1998   14    Niamey     3
## 1358 1998   14    Tahoua    79
## 1359 1998   14 Tillaberi    56
## 1360 1998   14    Zinder   159
## 1361 1998   15    Agadez     0
## 1362 1998   15     Diffa     0
## 1363 1998   15     Dosso    30
## 1364 1998   15    Maradi    51
## 1365 1998   15    Niamey     6
## 1366 1998   15    Tahoua   100
## 1367 1998   15 Tillaberi   127
## 1368 1998   15    Zinder   156
## 1369 1998   16    Agadez     0
## 1370 1998   16     Diffa     2
## 1371 1998   16     Dosso    64
## 1372 1998   16    Maradi    36
## 1373 1998   16    Niamey     0
## 1374 1998   16    Tahoua   109
## 1375 1998   16 Tillaberi    79
## 1376 1998   16    Zinder   131
## 1377 1998   17    Agadez     1
## 1378 1998   17     Diffa     0
## 1379 1998   17     Dosso   101
## 1380 1998   17    Maradi    63
## 1381 1998   17    Niamey    12
## 1382 1998   17    Tahoua   120
## 1383 1998   17 Tillaberi   140
## 1384 1998   17    Zinder   214
## 1385 1998   18    Agadez     1
## 1386 1998   18     Diffa     0
## 1387 1998   18     Dosso   122
## 1388 1998   18    Maradi    27
## 1389 1998   18    Niamey    14
## 1390 1998   18    Tahoua    97
## 1391 1998   18 Tillaberi   236
## 1392 1998   18    Zinder   252
## 1393 1998   19    Agadez     0
## 1394 1998   19     Diffa     2
## 1395 1998   19     Dosso    81
## 1396 1998   19    Maradi    55
## 1397 1998   19    Niamey    13
## 1398 1998   19    Tahoua   163
## 1399 1998   19 Tillaberi   131
## 1400 1998   19    Zinder   345
## 1401 1998   20    Agadez     0
## 1402 1998   20     Diffa     0
## 1403 1998   20     Dosso   110
## 1404 1998   20    Maradi    32
## 1405 1998   20    Niamey    15
## 1406 1998   20    Tahoua    82
## 1407 1998   20 Tillaberi   235
## 1408 1998   20    Zinder   226
## 1409 1998   21    Agadez     1
## 1410 1998   21     Diffa     4
## 1411 1998   21     Dosso    53
## 1412 1998   21    Maradi    59
## 1413 1998   21    Niamey     9
## 1414 1998   21    Tahoua    66
## 1415 1998   21 Tillaberi   154
## 1416 1998   21    Zinder   242
## 1417 1998   22    Agadez     0
## 1418 1998   22     Diffa     0
## 1419 1998   22     Dosso    75
## 1420 1998   22    Maradi    33
## 1421 1998   22    Niamey     7
## 1422 1998   22    Tahoua    92
## 1423 1998   22 Tillaberi   139
## 1424 1998   22    Zinder   198
## 1425 1998   23    Agadez     0
## 1426 1998   23     Diffa     0
## 1427 1998   23     Dosso    31
## 1428 1998   23    Maradi    38
## 1429 1998   23    Niamey     4
## 1430 1998   23    Tahoua    42
## 1431 1998   23 Tillaberi    91
## 1432 1998   23    Zinder   251
## 1433 1998   24    Agadez     5
## 1434 1998   24     Diffa     1
## 1435 1998   24     Dosso    14
## 1436 1998   24    Maradi    17
## 1437 1998   24    Niamey     3
## 1438 1998   24    Tahoua    39
## 1439 1998   24 Tillaberi    69
## 1440 1998   24    Zinder   164
## 1441 1998   25    Agadez     0
## 1442 1998   25     Diffa     1
## 1443 1998   25     Dosso    14
## 1444 1998   25    Maradi    18
## 1445 1998   25    Niamey     3
## 1446 1998   25    Tahoua    44
## 1447 1998   25 Tillaberi    34
## 1448 1998   25    Zinder   142
## 1449 1998   26    Agadez     0
## 1450 1998   26     Diffa     2
## 1451 1998   26     Dosso    16
## 1452 1998   26    Maradi    26
## 1453 1998   26    Niamey     2
## 1454 1998   26    Tahoua    40
## 1455 1998   26 Tillaberi    30
## 1456 1998   26    Zinder   115
## 1457 1998   27    Agadez     0
## 1458 1998   27     Diffa     5
## 1459 1998   27     Dosso     8
## 1460 1998   27    Maradi    12
## 1461 1998   27    Niamey     0
## 1462 1998   27    Tahoua    55
## 1463 1998   27 Tillaberi    17
## 1464 1998   27    Zinder   110
## 1465 1998   28    Agadez     0
## 1466 1998   28     Diffa     2
## 1467 1998   28     Dosso     8
## 1468 1998   28    Maradi    11
## 1469 1998   28    Niamey     2
## 1470 1998   28    Tahoua    24
## 1471 1998   28 Tillaberi    16
## 1472 1998   28    Zinder   105
## 1473 1998   29    Agadez     0
## 1474 1998   29     Diffa     1
## 1475 1998   29     Dosso    17
## 1476 1998   29    Maradi     3
## 1477 1998   29    Niamey     0
## 1478 1998   29    Tahoua    15
## 1479 1998   29 Tillaberi     7
## 1480 1998   29    Zinder   103
## 1481 1998   30    Agadez     0
## 1482 1998   30     Diffa     5
## 1483 1998   30     Dosso     0
## 1484 1998   30    Maradi     4
## 1485 1998   30    Niamey     1
## 1486 1998   30    Tahoua     7
## 1487 1998   30 Tillaberi     1
## 1488 1998   30    Zinder    90
## 1489 1998   31    Agadez     0
## 1490 1998   31     Diffa     0
## 1491 1998   31     Dosso    10
## 1492 1998   31    Maradi     5
## 1493 1998   31    Niamey     0
## 1494 1998   31    Tahoua    10
## 1495 1998   31 Tillaberi     0
## 1496 1998   31    Zinder    52
## 1497 1998   32    Agadez     0
## 1498 1998   32     Diffa     2
## 1499 1998   32     Dosso     0
## 1500 1998   32    Maradi     8
## 1501 1998   32    Niamey     0
## 1502 1998   32    Tahoua    26
## 1503 1998   32 Tillaberi     3
## 1504 1998   32    Zinder    33
## 1505 1998   33    Agadez     0
## 1506 1998   33     Diffa     0
## 1507 1998   33     Dosso    22
## 1508 1998   33    Maradi     4
## 1509 1998   33    Niamey     0
## 1510 1998   33    Tahoua     1
## 1511 1998   33 Tillaberi     0
## 1512 1998   33    Zinder    14
## 1513 1998   34    Agadez     0
## 1514 1998   34     Diffa     0
## 1515 1998   34     Dosso     1
## 1516 1998   34    Maradi     0
## 1517 1998   34    Niamey     0
## 1518 1998   34    Tahoua     6
## 1519 1998   34 Tillaberi     1
## 1520 1998   34    Zinder    26
## 1521 1998   35    Agadez     0
## 1522 1998   35     Diffa     0
## 1523 1998   35     Dosso     8
## 1524 1998   35    Maradi     3
## 1525 1998   35    Niamey     0
## 1526 1998   35    Tahoua    16
## 1527 1998   35 Tillaberi     0
## 1528 1998   35    Zinder    14
## 1529 1998   36    Agadez     0
## 1530 1998   36     Diffa     0
## 1531 1998   36     Dosso     5
## 1532 1998   36    Maradi     1
## 1533 1998   36    Niamey     0
## 1534 1998   36    Tahoua    15
## 1535 1998   36 Tillaberi     0
## 1536 1998   36    Zinder     9
## 1537 1998   37    Agadez     0
## 1538 1998   37     Diffa     0
## 1539 1998   37     Dosso     1
## 1540 1998   37    Maradi     1
## 1541 1998   37    Niamey     0
## 1542 1998   37    Tahoua    12
## 1543 1998   37 Tillaberi     0
## 1544 1998   37    Zinder    20
## 1545 1998   38    Agadez     0
## 1546 1998   38     Diffa     0
## 1547 1998   38     Dosso     0
## 1548 1998   38    Maradi     4
## 1549 1998   38    Niamey     0
## 1550 1998   38    Tahoua     6
## 1551 1998   38 Tillaberi     0
## 1552 1998   38    Zinder     9
## 1553 1998   39    Agadez     0
## 1554 1998   39     Diffa     1
## 1555 1998   39     Dosso     7
## 1556 1998   39    Maradi     0
## 1557 1998   39    Niamey     0
## 1558 1998   39    Tahoua     6
## 1559 1998   39 Tillaberi     1
## 1560 1998   39    Zinder    13
## 1561 1998   40    Agadez     0
## 1562 1998   40     Diffa     0
## 1563 1998   40     Dosso     1
## 1564 1998   40    Maradi     0
## 1565 1998   40    Niamey     0
## 1566 1998   40    Tahoua     3
## 1567 1998   40 Tillaberi     0
## 1568 1998   40    Zinder     2
## 1569 1998   41    Agadez     0
## 1570 1998   41     Diffa     0
## 1571 1998   41     Dosso    43
## 1572 1998   41    Maradi     1
## 1573 1998   41    Niamey     0
## 1574 1998   41    Tahoua     2
## 1575 1998   41 Tillaberi     0
## 1576 1998   41    Zinder     7
## 1577 1998   42    Agadez     0
## 1578 1998   42     Diffa     0
## 1579 1998   42     Dosso     1
## 1580 1998   42    Maradi     4
## 1581 1998   42    Niamey     0
## 1582 1998   42    Tahoua    11
## 1583 1998   42 Tillaberi     0
## 1584 1998   42    Zinder    18
## 1585 1998   43    Agadez     0
## 1586 1998   43     Diffa     0
## 1587 1998   43     Dosso     6
## 1588 1998   43    Maradi     1
## 1589 1998   43    Niamey     0
## 1590 1998   43    Tahoua    11
## 1591 1998   43 Tillaberi     0
## 1592 1998   43    Zinder    13
## 1593 1998   44    Agadez     0
## 1594 1998   44     Diffa     0
## 1595 1998   44     Dosso     1
## 1596 1998   44    Maradi     5
## 1597 1998   44    Niamey     0
## 1598 1998   44    Tahoua    17
## 1599 1998   44 Tillaberi     0
## 1600 1998   44    Zinder    40
## 1601 1998   45    Agadez     1
## 1602 1998   45     Diffa     0
## 1603 1998   45     Dosso    16
## 1604 1998   45    Maradi     4
## 1605 1998   45    Niamey     0
## 1606 1998   45    Tahoua     4
## 1607 1998   45 Tillaberi     0
## 1608 1998   45    Zinder    33
## 1609 1998   46    Agadez     0
## 1610 1998   46     Diffa     1
## 1611 1998   46     Dosso     1
## 1612 1998   46    Maradi     0
## 1613 1998   46    Niamey     0
## 1614 1998   46    Tahoua     8
## 1615 1998   46 Tillaberi     0
## 1616 1998   46    Zinder    14
## 1617 1998   47    Agadez     0
## 1618 1998   47     Diffa     0
## 1619 1998   47     Dosso     1
## 1620 1998   47    Maradi     3
## 1621 1998   47    Niamey     0
## 1622 1998   47    Tahoua     3
## 1623 1998   47 Tillaberi     1
## 1624 1998   47    Zinder    26
## 1625 1998   48    Agadez     0
## 1626 1998   48     Diffa     0
## 1627 1998   48     Dosso    28
## 1628 1998   48    Maradi     2
## 1629 1998   48    Niamey     0
## 1630 1998   48    Tahoua     6
## 1631 1998   48 Tillaberi     0
## 1632 1998   48    Zinder    34
## 1633 1998   49    Agadez     0
## 1634 1998   49     Diffa     3
## 1635 1998   49     Dosso    11
## 1636 1998   49    Maradi     5
## 1637 1998   49    Niamey     0
## 1638 1998   49    Tahoua    25
## 1639 1998   49 Tillaberi     0
## 1640 1998   49    Zinder    30
## 1641 1998   50    Agadez     0
## 1642 1998   50     Diffa    15
## 1643 1998   50     Dosso    36
## 1644 1998   50    Maradi     4
## 1645 1998   50    Niamey     0
## 1646 1998   50    Tahoua    38
## 1647 1998   50 Tillaberi     0
## 1648 1998   50    Zinder    52
## 1649 1998   51    Agadez     0
## 1650 1998   51     Diffa     3
## 1651 1998   51     Dosso    12
## 1652 1998   51    Maradi     9
## 1653 1998   51    Niamey     0
## 1654 1998   51    Tahoua    19
## 1655 1998   51 Tillaberi     0
## 1656 1998   51    Zinder    47
## 1657 1998   52    Agadez     0
## 1658 1998   52     Diffa     2
## 1659 1998   52     Dosso    16
## 1660 1998   52    Maradi     7
## 1661 1998   52    Niamey     1
## 1662 1998   52    Tahoua    15
## 1663 1998   52 Tillaberi    11
## 1664 1998   52    Zinder    84
## 1665 1999    1    Agadez     0
## 1666 1999    1     Diffa     0
## 1667 1999    1     Dosso    24
## 1668 1999    1    Maradi     6
## 1669 1999    1    Niamey     0
## 1670 1999    1    Tahoua    12
## 1671 1999    1 Tillaberi     0
## 1672 1999    1    Zinder    80
## 1673 1999    2    Agadez     0
## 1674 1999    2     Diffa     0
## 1675 1999    2     Dosso    56
## 1676 1999    2    Maradi    13
## 1677 1999    2    Niamey     0
## 1678 1999    2    Tahoua    38
## 1679 1999    2 Tillaberi     0
## 1680 1999    2    Zinder   103
## 1681 1999    3    Agadez     0
## 1682 1999    3     Diffa    17
## 1683 1999    3     Dosso    16
## 1684 1999    3    Maradi    17
## 1685 1999    3    Niamey     1
## 1686 1999    3    Tahoua    53
## 1687 1999    3 Tillaberi     0
## 1688 1999    3    Zinder   125
## 1689 1999    4    Agadez     0
## 1690 1999    4     Diffa     6
## 1691 1999    4     Dosso    35
## 1692 1999    4    Maradi    16
## 1693 1999    4    Niamey     0
## 1694 1999    4    Tahoua    70
## 1695 1999    4 Tillaberi     0
## 1696 1999    4    Zinder   101
## 1697 1999    5    Agadez     1
## 1698 1999    5     Diffa     9
## 1699 1999    5     Dosso    12
## 1700 1999    5    Maradi    18
## 1701 1999    5    Niamey     0
## 1702 1999    5    Tahoua    42
## 1703 1999    5 Tillaberi     3
## 1704 1999    5    Zinder   190
## 1705 1999    6    Agadez     0
## 1706 1999    6     Diffa    10
## 1707 1999    6     Dosso    31
## 1708 1999    6    Maradi    22
## 1709 1999    6    Niamey     2
## 1710 1999    6    Tahoua    41
## 1711 1999    6 Tillaberi     0
## 1712 1999    6    Zinder   154
## 1713 1999    7    Agadez     0
## 1714 1999    7     Diffa    12
## 1715 1999    7     Dosso    19
## 1716 1999    7    Maradi    70
## 1717 1999    7    Niamey     1
## 1718 1999    7    Tahoua    36
## 1719 1999    7 Tillaberi     0
## 1720 1999    7    Zinder   205
## 1721 1999    8    Agadez     0
## 1722 1999    8     Diffa    14
## 1723 1999    8     Dosso    47
## 1724 1999    8    Maradi    78
## 1725 1999    8    Niamey    11
## 1726 1999    8    Tahoua    34
## 1727 1999    8 Tillaberi     0
## 1728 1999    8    Zinder   191
## 1729 1999    9    Agadez     0
## 1730 1999    9     Diffa    19
## 1731 1999    9     Dosso    78
## 1732 1999    9    Maradi    82
## 1733 1999    9    Niamey     1
## 1734 1999    9    Tahoua    95
## 1735 1999    9 Tillaberi    15
## 1736 1999    9    Zinder   256
## 1737 1999   10    Agadez     1
## 1738 1999   10     Diffa    17
## 1739 1999   10     Dosso    76
## 1740 1999   10    Maradi   111
## 1741 1999   10    Niamey     3
## 1742 1999   10    Tahoua    77
## 1743 1999   10 Tillaberi    23
## 1744 1999   10    Zinder   282
## 1745 1999   11    Agadez     2
## 1746 1999   11     Diffa    15
## 1747 1999   11     Dosso    57
## 1748 1999   11    Maradi   156
## 1749 1999   11    Niamey     2
## 1750 1999   11    Tahoua   122
## 1751 1999   11 Tillaberi    13
## 1752 1999   11    Zinder   224
## 1753 1999   12    Agadez    16
## 1754 1999   12     Diffa    30
## 1755 1999   12     Dosso    54
## 1756 1999   12    Maradi   124
## 1757 1999   12    Niamey    55
## 1758 1999   12    Tahoua   309
## 1759 1999   12 Tillaberi    76
## 1760 1999   12    Zinder   209
## 1761 1999   13    Agadez    36
## 1762 1999   13     Diffa    20
## 1763 1999   13     Dosso    57
## 1764 1999   13    Maradi   215
## 1765 1999   13    Niamey    15
## 1766 1999   13    Tahoua   182
## 1767 1999   13 Tillaberi   155
## 1768 1999   13    Zinder   212
## 1769 1999   14    Agadez    24
## 1770 1999   14     Diffa    52
## 1771 1999   14     Dosso    38
## 1772 1999   14    Maradi   301
## 1773 1999   14    Niamey   141
## 1774 1999   14    Tahoua   220
## 1775 1999   14 Tillaberi   171
## 1776 1999   14    Zinder   470
## 1777 1999   15    Agadez    36
## 1778 1999   15     Diffa    23
## 1779 1999   15     Dosso    78
## 1780 1999   15    Maradi   403
## 1781 1999   15    Niamey   605
## 1782 1999   15    Tahoua   164
## 1783 1999   15 Tillaberi   185
## 1784 1999   15    Zinder   267
## 1785 1999   16    Agadez    56
## 1786 1999   16     Diffa    43
## 1787 1999   16     Dosso    69
## 1788 1999   16    Maradi   386
## 1789 1999   16    Niamey   789
## 1790 1999   16    Tahoua   221
## 1791 1999   16 Tillaberi   158
## 1792 1999   16    Zinder   735
## 1793 1999   17    Agadez    37
## 1794 1999   17     Diffa    30
## 1795 1999   17     Dosso   136
## 1796 1999   17    Maradi   421
## 1797 1999   17    Niamey   742
## 1798 1999   17    Tahoua   208
## 1799 1999   17 Tillaberi   343
## 1800 1999   17    Zinder   637
## 1801 1999   18    Agadez    42
## 1802 1999   18     Diffa    40
## 1803 1999   18     Dosso   102
## 1804 1999   18    Maradi   454
## 1805 1999   18    Niamey   510
## 1806 1999   18    Tahoua   154
## 1807 1999   18 Tillaberi   322
## 1808 1999   18    Zinder   581
## 1809 1999   19    Agadez    36
## 1810 1999   19     Diffa    40
## 1811 1999   19     Dosso   131
## 1812 1999   19    Maradi   485
## 1813 1999   19    Niamey   356
## 1814 1999   19    Tahoua   233
## 1815 1999   19 Tillaberi   290
## 1816 1999   19    Zinder   612
## 1817 1999   20    Agadez    14
## 1818 1999   20     Diffa    48
## 1819 1999   20     Dosso    78
## 1820 1999   20    Maradi   605
## 1821 1999   20    Niamey   287
## 1822 1999   20    Tahoua   207
## 1823 1999   20 Tillaberi   369
## 1824 1999   20    Zinder   710
## 1825 1999   21    Agadez     7
## 1826 1999   21     Diffa    68
## 1827 1999   21     Dosso    60
## 1828 1999   21    Maradi   540
## 1829 1999   21    Niamey   153
## 1830 1999   21    Tahoua   195
## 1831 1999   21 Tillaberi   344
## 1832 1999   21    Zinder   600
## 1833 1999   22    Agadez    10
## 1834 1999   22     Diffa    71
## 1835 1999   22     Dosso    57
## 1836 1999   22    Maradi   588
## 1837 1999   22    Niamey   133
## 1838 1999   22    Tahoua   229
## 1839 1999   22 Tillaberi   317
## 1840 1999   22    Zinder   567
## 1841 1999   23    Agadez     9
## 1842 1999   23     Diffa    50
## 1843 1999   23     Dosso    33
## 1844 1999   23    Maradi   521
## 1845 1999   23    Niamey    98
## 1846 1999   23    Tahoua   305
## 1847 1999   23 Tillaberi   280
## 1848 1999   23    Zinder   711
## 1849 1999   24    Agadez     4
## 1850 1999   24     Diffa    48
## 1851 1999   24     Dosso    88
## 1852 1999   24    Maradi   463
## 1853 1999   24    Niamey    60
## 1854 1999   24    Tahoua   166
## 1855 1999   24 Tillaberi   209
## 1856 1999   24    Zinder   596
## 1857 1999   25    Agadez     2
## 1858 1999   25     Diffa    32
## 1859 1999   25     Dosso    51
## 1860 1999   25    Maradi   380
## 1861 1999   25    Niamey    54
## 1862 1999   25    Tahoua   209
## 1863 1999   25 Tillaberi   246
## 1864 1999   25    Zinder   373
## 1865 1999   26    Agadez     0
## 1866 1999   26     Diffa    22
## 1867 1999   26     Dosso    67
## 1868 1999   26    Maradi   248
## 1869 1999   26    Niamey    14
## 1870 1999   26    Tahoua   195
## 1871 1999   26 Tillaberi   162
## 1872 1999   26    Zinder   325
## 1873 1999   27    Agadez     1
## 1874 1999   27     Diffa    27
## 1875 1999   27     Dosso    17
## 1876 1999   27    Maradi   248
## 1877 1999   27    Niamey    21
## 1878 1999   27    Tahoua   117
## 1879 1999   27 Tillaberi   118
## 1880 1999   27    Zinder   241
## 1881 1999   28    Agadez     0
## 1882 1999   28     Diffa    14
## 1883 1999   28     Dosso    45
## 1884 1999   28    Maradi   252
## 1885 1999   28    Niamey     9
## 1886 1999   28    Tahoua   121
## 1887 1999   28 Tillaberi    95
## 1888 1999   28    Zinder   227
## 1889 1999   29    Agadez     1
## 1890 1999   29     Diffa     9
## 1891 1999   29     Dosso    14
## 1892 1999   29    Maradi   177
## 1893 1999   29    Niamey     4
## 1894 1999   29    Tahoua   131
## 1895 1999   29 Tillaberi    81
## 1896 1999   29    Zinder   197
## 1897 1999   30    Agadez     1
## 1898 1999   30     Diffa     7
## 1899 1999   30     Dosso    12
## 1900 1999   30    Maradi   142
## 1901 1999   30    Niamey     3
## 1902 1999   30    Tahoua   138
## 1903 1999   30 Tillaberi    67
## 1904 1999   30    Zinder   120
## 1905 1999   31    Agadez     3
## 1906 1999   31     Diffa     3
## 1907 1999   31     Dosso     3
## 1908 1999   31    Maradi    81
## 1909 1999   31    Niamey     0
## 1910 1999   31    Tahoua   116
## 1911 1999   31 Tillaberi    56
## 1912 1999   31    Zinder   115
## 1913 1999   32    Agadez     1
## 1914 1999   32     Diffa     4
## 1915 1999   32     Dosso     2
## 1916 1999   32    Maradi    80
## 1917 1999   32    Niamey     1
## 1918 1999   32    Tahoua    56
## 1919 1999   32 Tillaberi    87
## 1920 1999   32    Zinder    45
## 1921 1999   33    Agadez     0
## 1922 1999   33     Diffa     3
## 1923 1999   33     Dosso     4
## 1924 1999   33    Maradi    40
## 1925 1999   33    Niamey     2
## 1926 1999   33    Tahoua    27
## 1927 1999   33 Tillaberi    92
## 1928 1999   33    Zinder    48
## 1929 1999   34    Agadez     1
## 1930 1999   34     Diffa    14
## 1931 1999   34     Dosso     7
## 1932 1999   34    Maradi    28
## 1933 1999   34    Niamey     0
## 1934 1999   34    Tahoua    50
## 1935 1999   34 Tillaberi    20
## 1936 1999   34    Zinder    19
## 1937 1999   35    Agadez     0
## 1938 1999   35     Diffa     4
## 1939 1999   35     Dosso     9
## 1940 1999   35    Maradi    27
## 1941 1999   35    Niamey     0
## 1942 1999   35    Tahoua    43
## 1943 1999   35 Tillaberi    41
## 1944 1999   35    Zinder     8
## 1945 1999   36    Agadez     0
## 1946 1999   36     Diffa     7
## 1947 1999   36     Dosso     0
## 1948 1999   36    Maradi    27
## 1949 1999   36    Niamey     0
## 1950 1999   36    Tahoua    33
## 1951 1999   36 Tillaberi    27
## 1952 1999   36    Zinder    15
## 1953 1999   37    Agadez     1
## 1954 1999   37     Diffa     3
## 1955 1999   37     Dosso     4
## 1956 1999   37    Maradi    24
## 1957 1999   37    Niamey     2
## 1958 1999   37    Tahoua    32
## 1959 1999   37 Tillaberi    49
## 1960 1999   37    Zinder    22
## 1961 1999   38    Agadez     2
## 1962 1999   38     Diffa     1
## 1963 1999   38     Dosso     9
## 1964 1999   38    Maradi    13
## 1965 1999   38    Niamey     0
## 1966 1999   38    Tahoua    11
## 1967 1999   38 Tillaberi    28
## 1968 1999   38    Zinder     5
## 1969 1999   39    Agadez     0
## 1970 1999   39     Diffa     2
## 1971 1999   39     Dosso     5
## 1972 1999   39    Maradi     7
## 1973 1999   39    Niamey     0
## 1974 1999   39    Tahoua    23
## 1975 1999   39 Tillaberi    23
## 1976 1999   39    Zinder     3
## 1977 1999   40    Agadez     0
## 1978 1999   40     Diffa    15
## 1979 1999   40     Dosso     9
## 1980 1999   40    Maradi     4
## 1981 1999   40    Niamey     1
## 1982 1999   40    Tahoua    21
## 1983 1999   40 Tillaberi    12
## 1984 1999   40    Zinder    27
## 1985 1999   41    Agadez     0
## 1986 1999   41     Diffa     0
## 1987 1999   41     Dosso     0
## 1988 1999   41    Maradi     6
## 1989 1999   41    Niamey     0
## 1990 1999   41    Tahoua    24
## 1991 1999   41 Tillaberi    19
## 1992 1999   41    Zinder     5
## 1993 1999   42    Agadez     0
## 1994 1999   42     Diffa     0
## 1995 1999   42     Dosso     1
## 1996 1999   42    Maradi     4
## 1997 1999   42    Niamey     0
## 1998 1999   42    Tahoua    20
## 1999 1999   42 Tillaberi    33
## 2000 1999   42    Zinder     2
## 2001 1999   43    Agadez     0
## 2002 1999   43     Diffa     0
## 2003 1999   43     Dosso     2
## 2004 1999   43    Maradi     2
## 2005 1999   43    Niamey     1
## 2006 1999   43    Tahoua     8
## 2007 1999   43 Tillaberi    18
## 2008 1999   43    Zinder     1
## 2009 1999   44    Agadez     0
## 2010 1999   44     Diffa     0
## 2011 1999   44     Dosso    11
## 2012 1999   44    Maradi     0
## 2013 1999   44    Niamey     0
## 2014 1999   44    Tahoua    13
## 2015 1999   44 Tillaberi     5
## 2016 1999   44    Zinder     4
## 2017 1999   45    Agadez     1
## 2018 1999   45     Diffa     1
## 2019 1999   45     Dosso     2
## 2020 1999   45    Maradi     3
## 2021 1999   45    Niamey     0
## 2022 1999   45    Tahoua    14
## 2023 1999   45 Tillaberi     5
## 2024 1999   45    Zinder     3
## 2025 1999   46    Agadez     0
## 2026 1999   46     Diffa     0
## 2027 1999   46     Dosso     8
## 2028 1999   46    Maradi     3
## 2029 1999   46    Niamey     0
## 2030 1999   46    Tahoua    13
## 2031 1999   46 Tillaberi    10
## 2032 1999   46    Zinder     4
## 2033 1999   47    Agadez     0
## 2034 1999   47     Diffa     0
## 2035 1999   47     Dosso     4
## 2036 1999   47    Maradi    15
## 2037 1999   47    Niamey     0
## 2038 1999   47    Tahoua     8
## 2039 1999   47 Tillaberi     9
## 2040 1999   47    Zinder     5
## 2041 1999   48    Agadez     0
## 2042 1999   48     Diffa     0
## 2043 1999   48     Dosso     0
## 2044 1999   48    Maradi    12
## 2045 1999   48    Niamey     0
## 2046 1999   48    Tahoua    20
## 2047 1999   48 Tillaberi     2
## 2048 1999   48    Zinder     9
## 2049 1999   49    Agadez     0
## 2050 1999   49     Diffa     0
## 2051 1999   49     Dosso     1
## 2052 1999   49    Maradi    14
## 2053 1999   49    Niamey     0
## 2054 1999   49    Tahoua     2
## 2055 1999   49 Tillaberi    12
## 2056 1999   49    Zinder     6
## 2057 1999   50    Agadez     0
## 2058 1999   50     Diffa     0
## 2059 1999   50     Dosso     0
## 2060 1999   50    Maradi    15
## 2061 1999   50    Niamey     0
## 2062 1999   50    Tahoua    15
## 2063 1999   50 Tillaberi     5
## 2064 1999   50    Zinder     8
## 2065 1999   51    Agadez     0
## 2066 1999   51     Diffa     0
## 2067 1999   51     Dosso     3
## 2068 1999   51    Maradi    10
## 2069 1999   51    Niamey     0
## 2070 1999   51    Tahoua    19
## 2071 1999   51 Tillaberi    22
## 2072 1999   51    Zinder     2
## 2073 1999   52    Agadez     0
## 2074 1999   52     Diffa     0
## 2075 1999   52     Dosso     0
## 2076 1999   52    Maradi     9
## 2077 1999   52    Niamey     0
## 2078 1999   52    Tahoua     6
## 2079 1999   52 Tillaberi     8
## 2080 1999   52    Zinder     5
## 2081 2000    1    Agadez     0
## 2082 2000    1     Diffa     0
## 2083 2000    1     Dosso     0
## 2084 2000    1    Maradi     3
## 2085 2000    1    Niamey     0
## 2086 2000    1    Tahoua    30
## 2087 2000    1 Tillaberi    13
## 2088 2000    1    Zinder    25
## 2089 2000    2    Agadez     0
## 2090 2000    2     Diffa     0
## 2091 2000    2     Dosso     1
## 2092 2000    2    Maradi     1
## 2093 2000    2    Niamey     2
## 2094 2000    2    Tahoua    18
## 2095 2000    2 Tillaberi    28
## 2096 2000    2    Zinder    18
## 2097 2000    3    Agadez     0
## 2098 2000    3     Diffa     4
## 2099 2000    3     Dosso     1
## 2100 2000    3    Maradi     5
## 2101 2000    3    Niamey     1
## 2102 2000    3    Tahoua    13
## 2103 2000    3 Tillaberi    51
## 2104 2000    3    Zinder    23
## 2105 2000    4    Agadez     0
## 2106 2000    4     Diffa     1
## 2107 2000    4     Dosso    13
## 2108 2000    4    Maradi     2
## 2109 2000    4    Niamey     4
## 2110 2000    4    Tahoua    31
## 2111 2000    4 Tillaberi    65
## 2112 2000    4    Zinder     3
## 2113 2000    5    Agadez     0
## 2114 2000    5     Diffa     0
## 2115 2000    5     Dosso     6
## 2116 2000    5    Maradi     3
## 2117 2000    5    Niamey     5
## 2118 2000    5    Tahoua    47
## 2119 2000    5 Tillaberi   102
## 2120 2000    5    Zinder     4
## 2121 2000    6    Agadez     0
## 2122 2000    6     Diffa     0
## 2123 2000    6     Dosso     4
## 2124 2000    6    Maradi    32
## 2125 2000    6    Niamey     9
## 2126 2000    6    Tahoua    40
## 2127 2000    6 Tillaberi   210
## 2128 2000    6    Zinder     5
## 2129 2000    7    Agadez     1
## 2130 2000    7     Diffa     1
## 2131 2000    7     Dosso     8
## 2132 2000    7    Maradi    14
## 2133 2000    7    Niamey     4
## 2134 2000    7    Tahoua    32
## 2135 2000    7 Tillaberi   291
## 2136 2000    7    Zinder     6
## 2137 2000    8    Agadez     2
## 2138 2000    8     Diffa     1
## 2139 2000    8     Dosso    13
## 2140 2000    8    Maradi    29
## 2141 2000    8    Niamey    18
## 2142 2000    8    Tahoua    35
## 2143 2000    8 Tillaberi   306
## 2144 2000    8    Zinder     5
## 2145 2000    9    Agadez     0
## 2146 2000    9     Diffa     0
## 2147 2000    9     Dosso    10
## 2148 2000    9    Maradi    33
## 2149 2000    9    Niamey    21
## 2150 2000    9    Tahoua    99
## 2151 2000    9 Tillaberi   269
## 2152 2000    9    Zinder    22
## 2153 2000   10    Agadez     0
## 2154 2000   10     Diffa     0
## 2155 2000   10     Dosso    32
## 2156 2000   10    Maradi    46
## 2157 2000   10    Niamey    46
## 2158 2000   10    Tahoua    51
## 2159 2000   10 Tillaberi   323
## 2160 2000   10    Zinder    39
## 2161 2000   11    Agadez     0
## 2162 2000   11     Diffa     0
## 2163 2000   11     Dosso    34
## 2164 2000   11    Maradi    44
## 2165 2000   11    Niamey    28
## 2166 2000   11    Tahoua   127
## 2167 2000   11 Tillaberi   229
## 2168 2000   11    Zinder     4
## 2169 2000   12    Agadez     0
## 2170 2000   12     Diffa     1
## 2171 2000   12     Dosso    74
## 2172 2000   12    Maradi    37
## 2173 2000   12    Niamey    41
## 2174 2000   12    Tahoua   171
## 2175 2000   12 Tillaberi   441
## 2176 2000   12    Zinder    20
## 2177 2000   13    Agadez     0
## 2178 2000   13     Diffa     0
## 2179 2000   13     Dosso    96
## 2180 2000   13    Maradi    96
## 2181 2000   13    Niamey    67
## 2182 2000   13    Tahoua   120
## 2183 2000   13 Tillaberi   189
## 2184 2000   13    Zinder    29
## 2185 2000   14    Agadez     0
## 2186 2000   14     Diffa     2
## 2187 2000   14     Dosso    98
## 2188 2000   14    Maradi    61
## 2189 2000   14    Niamey    76
## 2190 2000   14    Tahoua   123
## 2191 2000   14 Tillaberi   240
## 2192 2000   14    Zinder    37
## 2193 2000   15    Agadez     1
## 2194 2000   15     Diffa     4
## 2195 2000   15     Dosso   155
## 2196 2000   15    Maradi    99
## 2197 2000   15    Niamey     0
## 2198 2000   15    Tahoua    92
## 2199 2000   15 Tillaberi   486
## 2200 2000   15    Zinder    55
## 2201 2000   16    Agadez     3
## 2202 2000   16     Diffa     2
## 2203 2000   16     Dosso   142
## 2204 2000   16    Maradi   115
## 2205 2000   16    Niamey   133
## 2206 2000   16    Tahoua   177
## 2207 2000   16 Tillaberi   464
## 2208 2000   16    Zinder    39
## 2209 2000   17    Agadez     1
## 2210 2000   17     Diffa     1
## 2211 2000   17     Dosso   163
## 2212 2000   17    Maradi   101
## 2213 2000   17    Niamey   144
## 2214 2000   17    Tahoua   107
## 2215 2000   17 Tillaberi   480
## 2216 2000   17    Zinder    19
## 2217 2000   18    Agadez     0
## 2218 2000   18     Diffa     0
## 2219 2000   18     Dosso   206
## 2220 2000   18    Maradi   105
## 2221 2000   18    Niamey   102
## 2222 2000   18    Tahoua   124
## 2223 2000   18 Tillaberi   432
## 2224 2000   18    Zinder    34
## 2225 2000   19    Agadez     0
## 2226 2000   19     Diffa     0
## 2227 2000   19     Dosso   180
## 2228 2000   19    Maradi   220
## 2229 2000   19    Niamey   148
## 2230 2000   19    Tahoua   174
## 2231 2000   19 Tillaberi   501
## 2232 2000   19    Zinder   135
## 2233 2000   20    Agadez    16
## 2234 2000   20     Diffa     0
## 2235 2000   20     Dosso   190
## 2236 2000   20    Maradi   208
## 2237 2000   20    Niamey   100
## 2238 2000   20    Tahoua   177
## 2239 2000   20 Tillaberi   353
## 2240 2000   20    Zinder    39
## 2241 2000   21    Agadez    29
## 2242 2000   21     Diffa     2
## 2243 2000   21     Dosso   113
## 2244 2000   21    Maradi   238
## 2245 2000   21    Niamey    33
## 2246 2000   21    Tahoua   215
## 2247 2000   21 Tillaberi   369
## 2248 2000   21    Zinder    33
## 2249 2000   22    Agadez    11
## 2250 2000   22     Diffa     0
## 2251 2000   22     Dosso   191
## 2252 2000   22    Maradi   224
## 2253 2000   22    Niamey    82
## 2254 2000   22    Tahoua   228
## 2255 2000   22 Tillaberi   308
## 2256 2000   22    Zinder    68
## 2257 2000   23    Agadez    19
## 2258 2000   23     Diffa     0
## 2259 2000   23     Dosso    53
## 2260 2000   23    Maradi   222
## 2261 2000   23    Niamey    42
## 2262 2000   23    Tahoua   222
## 2263 2000   23 Tillaberi   214
## 2264 2000   23    Zinder    56
## 2265 2000   24    Agadez     5
## 2266 2000   24     Diffa     0
## 2267 2000   24     Dosso    73
## 2268 2000   24    Maradi   120
## 2269 2000   24    Niamey    29
## 2270 2000   24    Tahoua   182
## 2271 2000   24 Tillaberi   176
## 2272 2000   24    Zinder    51
## 2273 2000   25    Agadez     2
## 2274 2000   25     Diffa     1
## 2275 2000   25     Dosso    77
## 2276 2000   25    Maradi   173
## 2277 2000   25    Niamey    20
## 2278 2000   25    Tahoua   162
## 2279 2000   25 Tillaberi    87
## 2280 2000   25    Zinder    47
## 2281 2000   26    Agadez     0
## 2282 2000   26     Diffa     0
## 2283 2000   26     Dosso    86
## 2284 2000   26    Maradi   148
## 2285 2000   26    Niamey    14
## 2286 2000   26    Tahoua   177
## 2287 2000   26 Tillaberi    61
## 2288 2000   26    Zinder    48
## 2289 2000   27    Agadez     4
## 2290 2000   27     Diffa     0
## 2291 2000   27     Dosso    57
## 2292 2000   27    Maradi   176
## 2293 2000   27    Niamey     6
## 2294 2000   27    Tahoua   147
## 2295 2000   27 Tillaberi    49
## 2296 2000   27    Zinder    31
## 2297 2000   28    Agadez     0
## 2298 2000   28     Diffa     0
## 2299 2000   28     Dosso    59
## 2300 2000   28    Maradi   144
## 2301 2000   28    Niamey     6
## 2302 2000   28    Tahoua   107
## 2303 2000   28 Tillaberi    33
## 2304 2000   28    Zinder    51
## 2305 2000   29    Agadez     1
## 2306 2000   29     Diffa     0
## 2307 2000   29     Dosso    26
## 2308 2000   29    Maradi    93
## 2309 2000   29    Niamey     3
## 2310 2000   29    Tahoua    65
## 2311 2000   29 Tillaberi    40
## 2312 2000   29    Zinder    28
## 2313 2000   30    Agadez     2
## 2314 2000   30     Diffa     0
## 2315 2000   30     Dosso    16
## 2316 2000   30    Maradi    53
## 2317 2000   30    Niamey     9
## 2318 2000   30    Tahoua   104
## 2319 2000   30 Tillaberi     8
## 2320 2000   30    Zinder    24
## 2321 2000   31    Agadez     1
## 2322 2000   31     Diffa     0
## 2323 2000   31     Dosso    14
## 2324 2000   31    Maradi    81
## 2325 2000   31    Niamey     2
## 2326 2000   31    Tahoua   100
## 2327 2000   31 Tillaberi    14
## 2328 2000   31    Zinder    18
## 2329 2000   32    Agadez     0
## 2330 2000   32     Diffa     0
## 2331 2000   32     Dosso    15
## 2332 2000   32    Maradi    60
## 2333 2000   32    Niamey     5
## 2334 2000   32    Tahoua    65
## 2335 2000   32 Tillaberi    15
## 2336 2000   32    Zinder     3
## 2337 2000   33    Agadez     0
## 2338 2000   33     Diffa     0
## 2339 2000   33     Dosso    10
## 2340 2000   33    Maradi    51
## 2341 2000   33    Niamey     7
## 2342 2000   33    Tahoua    92
## 2343 2000   33 Tillaberi    15
## 2344 2000   33    Zinder     9
## 2345 2000   34    Agadez     0
## 2346 2000   34     Diffa     0
## 2347 2000   34     Dosso     7
## 2348 2000   34    Maradi    46
## 2349 2000   34    Niamey     3
## 2350 2000   34    Tahoua    63
## 2351 2000   34 Tillaberi     8
## 2352 2000   34    Zinder     3
## 2353 2000   35    Agadez     0
## 2354 2000   35     Diffa     0
## 2355 2000   35     Dosso     1
## 2356 2000   35    Maradi    54
## 2357 2000   35    Niamey     3
## 2358 2000   35    Tahoua    48
## 2359 2000   35 Tillaberi     7
## 2360 2000   35    Zinder     9
## 2361 2000   36    Agadez     0
## 2362 2000   36     Diffa     0
## 2363 2000   36     Dosso     5
## 2364 2000   36    Maradi    36
## 2365 2000   36    Niamey     0
## 2366 2000   36    Tahoua   119
## 2367 2000   36 Tillaberi     8
## 2368 2000   36    Zinder     1
## 2369 2000   37    Agadez     0
## 2370 2000   37     Diffa     0
## 2371 2000   37     Dosso     6
## 2372 2000   37    Maradi    15
## 2373 2000   37    Niamey     3
## 2374 2000   37    Tahoua    62
## 2375 2000   37 Tillaberi     9
## 2376 2000   37    Zinder     3
## 2377 2000   38    Agadez     1
## 2378 2000   38     Diffa     0
## 2379 2000   38     Dosso     6
## 2380 2000   38    Maradi    45
## 2381 2000   38    Niamey     4
## 2382 2000   38    Tahoua    72
## 2383 2000   38 Tillaberi     2
## 2384 2000   38    Zinder     3
## 2385 2000   39    Agadez     0
## 2386 2000   39     Diffa     0
## 2387 2000   39     Dosso    14
## 2388 2000   39    Maradi    32
## 2389 2000   39    Niamey     2
## 2390 2000   39    Tahoua    40
## 2391 2000   39 Tillaberi     2
## 2392 2000   39    Zinder     5
## 2393 2000   40    Agadez     0
## 2394 2000   40     Diffa     0
## 2395 2000   40     Dosso    11
## 2396 2000   40    Maradi    21
## 2397 2000   40    Niamey     5
## 2398 2000   40    Tahoua    47
## 2399 2000   40 Tillaberi     2
## 2400 2000   40    Zinder     6
## 2401 2000   41    Agadez     0
## 2402 2000   41     Diffa     0
## 2403 2000   41     Dosso     6
## 2404 2000   41    Maradi    17
## 2405 2000   41    Niamey     2
## 2406 2000   41    Tahoua    45
## 2407 2000   41 Tillaberi     0
## 2408 2000   41    Zinder     0
## 2409 2000   42    Agadez     0
## 2410 2000   42     Diffa     0
## 2411 2000   42     Dosso     6
## 2412 2000   42    Maradi    23
## 2413 2000   42    Niamey     2
## 2414 2000   42    Tahoua    42
## 2415 2000   42 Tillaberi     0
## 2416 2000   42    Zinder     4
## 2417 2000   43    Agadez     0
## 2418 2000   43     Diffa     0
## 2419 2000   43     Dosso     8
## 2420 2000   43    Maradi     6
## 2421 2000   43    Niamey     0
## 2422 2000   43    Tahoua    47
## 2423 2000   43 Tillaberi     1
## 2424 2000   43    Zinder     8
## 2425 2000   44    Agadez     0
## 2426 2000   44     Diffa     0
## 2427 2000   44     Dosso     3
## 2428 2000   44    Maradi    10
## 2429 2000   44    Niamey     1
## 2430 2000   44    Tahoua    26
## 2431 2000   44 Tillaberi     8
## 2432 2000   44    Zinder     5
## 2433 2000   45    Agadez     0
## 2434 2000   45     Diffa     0
## 2435 2000   45     Dosso     2
## 2436 2000   45    Maradi    26
## 2437 2000   45    Niamey     0
## 2438 2000   45    Tahoua    52
## 2439 2000   45 Tillaberi     3
## 2440 2000   45    Zinder     2
## 2441 2000   46    Agadez     0
## 2442 2000   46     Diffa     0
## 2443 2000   46     Dosso     4
## 2444 2000   46    Maradi    44
## 2445 2000   46    Niamey     0
## 2446 2000   46    Tahoua    64
## 2447 2000   46 Tillaberi     0
## 2448 2000   46    Zinder     7
## 2449 2000   47    Agadez     0
## 2450 2000   47     Diffa     0
## 2451 2000   47     Dosso    10
## 2452 2000   47    Maradi    24
## 2453 2000   47    Niamey     0
## 2454 2000   47    Tahoua   110
## 2455 2000   47 Tillaberi     0
## 2456 2000   47    Zinder     8
## 2457 2000   48    Agadez     0
## 2458 2000   48     Diffa     0
## 2459 2000   48     Dosso     6
## 2460 2000   48    Maradi    63
## 2461 2000   48    Niamey     1
## 2462 2000   48    Tahoua   155
## 2463 2000   48 Tillaberi     0
## 2464 2000   48    Zinder    18
## 2465 2000   49    Agadez     0
## 2466 2000   49     Diffa     0
## 2467 2000   49     Dosso    11
## 2468 2000   49    Maradi    39
## 2469 2000   49    Niamey     0
## 2470 2000   49    Tahoua   139
## 2471 2000   49 Tillaberi     0
## 2472 2000   49    Zinder     7
## 2473 2000   50    Agadez     0
## 2474 2000   50     Diffa     0
## 2475 2000   50     Dosso    10
## 2476 2000   50    Maradi    78
## 2477 2000   50    Niamey     5
## 2478 2000   50    Tahoua   174
## 2479 2000   50 Tillaberi     0
## 2480 2000   50    Zinder     4
## 2481 2000   51    Agadez     2
## 2482 2000   51     Diffa     0
## 2483 2000   51     Dosso     3
## 2484 2000   51    Maradi   120
## 2485 2000   51    Niamey     2
## 2486 2000   51    Tahoua   240
## 2487 2000   51 Tillaberi    12
## 2488 2000   51    Zinder    14
## 2489 2000   52    Agadez     0
## 2490 2000   52     Diffa     0
## 2491 2000   52     Dosso     2
## 2492 2000   52    Maradi    85
## 2493 2000   52    Niamey     4
## 2494 2000   52    Tahoua   226
## 2495 2000   52 Tillaberi     1
## 2496 2000   52    Zinder     2
## 2497 2001    1    Agadez     0
## 2498 2001    1     Diffa     0
## 2499 2001    1     Dosso    13
## 2500 2001    1    Maradi   130
## 2501 2001    1    Niamey    16
## 2502 2001    1    Tahoua   226
## 2503 2001    1 Tillaberi    10
## 2504 2001    1    Zinder    15
## 2505 2001    2    Agadez     0
## 2506 2001    2     Diffa     0
## 2507 2001    2     Dosso    16
## 2508 2001    2    Maradi   114
## 2509 2001    2    Niamey    17
## 2510 2001    2    Tahoua   311
## 2511 2001    2 Tillaberi     4
## 2512 2001    2    Zinder     9
## 2513 2001    3    Agadez     0
## 2514 2001    3     Diffa     0
## 2515 2001    3     Dosso    46
## 2516 2001    3    Maradi   193
## 2517 2001    3    Niamey    23
## 2518 2001    3    Tahoua   359
## 2519 2001    3 Tillaberi     4
## 2520 2001    3    Zinder    14
## 2521 2001    4    Agadez     0
## 2522 2001    4     Diffa     0
## 2523 2001    4     Dosso    54
## 2524 2001    4    Maradi   234
## 2525 2001    4    Niamey    39
## 2526 2001    4    Tahoua   350
## 2527 2001    4 Tillaberi     4
## 2528 2001    4    Zinder    22
## 2529 2001    5    Agadez     0
## 2530 2001    5     Diffa     0
## 2531 2001    5     Dosso    65
## 2532 2001    5    Maradi   259
## 2533 2001    5    Niamey    42
## 2534 2001    5    Tahoua   441
## 2535 2001    5 Tillaberi    19
## 2536 2001    5    Zinder    17
## 2537 2001    6    Agadez     0
## 2538 2001    6     Diffa     1
## 2539 2001    6     Dosso    68
## 2540 2001    6    Maradi   297
## 2541 2001    6    Niamey    93
## 2542 2001    6    Tahoua   352
## 2543 2001    6 Tillaberi    25
## 2544 2001    6    Zinder    21
## 2545 2001    7    Agadez     0
## 2546 2001    7     Diffa     0
## 2547 2001    7     Dosso    70
## 2548 2001    7    Maradi   269
## 2549 2001    7    Niamey   169
## 2550 2001    7    Tahoua   368
## 2551 2001    7 Tillaberi    37
## 2552 2001    7    Zinder    56
## 2553 2001    8    Agadez     1
## 2554 2001    8     Diffa    11
## 2555 2001    8     Dosso    77
## 2556 2001    8    Maradi   357
## 2557 2001    8    Niamey   207
## 2558 2001    8    Tahoua   304
## 2559 2001    8 Tillaberi    57
## 2560 2001    8    Zinder    51
## 2561 2001    9    Agadez     1
## 2562 2001    9     Diffa     9
## 2563 2001    9     Dosso   118
## 2564 2001    9    Maradi   458
## 2565 2001    9    Niamey   286
## 2566 2001    9    Tahoua   352
## 2567 2001    9 Tillaberi    75
## 2568 2001    9    Zinder    81
## 2569 2001   10    Agadez    13
## 2570 2001   10     Diffa    10
## 2571 2001   10     Dosso   107
## 2572 2001   10    Maradi   442
## 2573 2001   10    Niamey   375
## 2574 2001   10    Tahoua   315
## 2575 2001   10 Tillaberi   125
## 2576 2001   10    Zinder    82
## 2577 2001   11    Agadez     0
## 2578 2001   11     Diffa     0
## 2579 2001   11     Dosso   196
## 2580 2001   11    Maradi   764
## 2581 2001   11    Niamey   560
## 2582 2001   11    Tahoua   404
## 2583 2001   11 Tillaberi   249
## 2584 2001   11    Zinder   122
## 2585 2001   12    Agadez     5
## 2586 2001   12     Diffa     0
## 2587 2001   12     Dosso   251
## 2588 2001   12    Maradi   828
## 2589 2001   12    Niamey   703
## 2590 2001   12    Tahoua   477
## 2591 2001   12 Tillaberi   333
## 2592 2001   12    Zinder   175
## 2593 2001   13    Agadez     3
## 2594 2001   13     Diffa     9
## 2595 2001   13     Dosso   296
## 2596 2001   13    Maradi   810
## 2597 2001   13    Niamey   848
## 2598 2001   13    Tahoua   553
## 2599 2001   13 Tillaberi   446
## 2600 2001   13    Zinder   204
## 2601 2001   14    Agadez     5
## 2602 2001   14     Diffa    14
## 2603 2001   14     Dosso   479
## 2604 2001   14    Maradi  1029
## 2605 2001   14    Niamey  1066
## 2606 2001   14    Tahoua   623
## 2607 2001   14 Tillaberi   550
## 2608 2001   14    Zinder   373
## 2609 2001   15    Agadez     2
## 2610 2001   15     Diffa    14
## 2611 2001   15     Dosso   395
## 2612 2001   15    Maradi  1166
## 2613 2001   15    Niamey  1084
## 2614 2001   15    Tahoua   686
## 2615 2001   15 Tillaberi   700
## 2616 2001   15    Zinder   538
## 2617 2001   16    Agadez    14
## 2618 2001   16     Diffa    22
## 2619 2001   16     Dosso   466
## 2620 2001   16    Maradi  1196
## 2621 2001   16    Niamey   844
## 2622 2001   16    Tahoua   648
## 2623 2001   16 Tillaberi   604
## 2624 2001   16    Zinder   486
## 2625 2001   17    Agadez     5
## 2626 2001   17     Diffa    23
## 2627 2001   17     Dosso   395
## 2628 2001   17    Maradi  1068
## 2629 2001   17    Niamey   832
## 2630 2001   17    Tahoua   664
## 2631 2001   17 Tillaberi   637
## 2632 2001   17    Zinder   653
## 2633 2001   18    Agadez     7
## 2634 2001   18     Diffa    35
## 2635 2001   18     Dosso   349
## 2636 2001   18    Maradi  1154
## 2637 2001   18    Niamey   601
## 2638 2001   18    Tahoua   574
## 2639 2001   18 Tillaberi   506
## 2640 2001   18    Zinder   628
## 2641 2001   19    Agadez     0
## 2642 2001   19     Diffa    37
## 2643 2001   19     Dosso   303
## 2644 2001   19    Maradi   981
## 2645 2001   19    Niamey   387
## 2646 2001   19    Tahoua   564
## 2647 2001   19 Tillaberi   692
## 2648 2001   19    Zinder   647
## 2649 2001   20    Agadez     4
## 2650 2001   20     Diffa    21
## 2651 2001   20     Dosso   205
## 2652 2001   20    Maradi  1006
## 2653 2001   20    Niamey   426
## 2654 2001   20    Tahoua   466
## 2655 2001   20 Tillaberi   408
## 2656 2001   20    Zinder   640
## 2657 2001   21    Agadez     1
## 2658 2001   21     Diffa    72
## 2659 2001   21     Dosso   205
## 2660 2001   21    Maradi   766
## 2661 2001   21    Niamey   237
## 2662 2001   21    Tahoua   378
## 2663 2001   21 Tillaberi   412
## 2664 2001   21    Zinder   606
## 2665 2001   22    Agadez     4
## 2666 2001   22     Diffa    26
## 2667 2001   22     Dosso   137
## 2668 2001   22    Maradi   987
## 2669 2001   22    Niamey   132
## 2670 2001   22    Tahoua   338
## 2671 2001   22 Tillaberi   447
## 2672 2001   22    Zinder   608
## 2673 2001   23    Agadez     8
## 2674 2001   23     Diffa    54
## 2675 2001   23     Dosso   153
## 2676 2001   23    Maradi   673
## 2677 2001   23    Niamey    95
## 2678 2001   23    Tahoua   365
## 2679 2001   23 Tillaberi   186
## 2680 2001   23    Zinder   623
## 2681 2001   24    Agadez     8
## 2682 2001   24     Diffa    65
## 2683 2001   24     Dosso   136
## 2684 2001   24    Maradi   531
## 2685 2001   24    Niamey    45
## 2686 2001   24    Tahoua   250
## 2687 2001   24 Tillaberi   183
## 2688 2001   24    Zinder   439
## 2689 2001   25    Agadez     7
## 2690 2001   25     Diffa    49
## 2691 2001   25     Dosso    94
## 2692 2001   25    Maradi   270
## 2693 2001   25    Niamey    24
## 2694 2001   25    Tahoua   207
## 2695 2001   25 Tillaberi   146
## 2696 2001   25    Zinder   342
## 2697 2001   26    Agadez     4
## 2698 2001   26     Diffa    49
## 2699 2001   26     Dosso    52
## 2700 2001   26    Maradi   193
## 2701 2001   26    Niamey    13
## 2702 2001   26    Tahoua   153
## 2703 2001   26 Tillaberi    64
## 2704 2001   26    Zinder   308
## 2705 2001   27    Agadez     2
## 2706 2001   27     Diffa    46
## 2707 2001   27     Dosso    61
## 2708 2001   27    Maradi   222
## 2709 2001   27    Niamey    12
## 2710 2001   27    Tahoua   124
## 2711 2001   27 Tillaberi   106
## 2712 2001   27    Zinder   291
## 2713 2001   28    Agadez     2
## 2714 2001   28     Diffa    41
## 2715 2001   28     Dosso    29
## 2716 2001   28    Maradi   196
## 2717 2001   28    Niamey     1
## 2718 2001   28    Tahoua    80
## 2719 2001   28 Tillaberi    92
## 2720 2001   28    Zinder   222
## 2721 2001   29    Agadez     3
## 2722 2001   29     Diffa    21
## 2723 2001   29     Dosso    20
## 2724 2001   29    Maradi    76
## 2725 2001   29    Niamey     2
## 2726 2001   29    Tahoua    80
## 2727 2001   29 Tillaberi    61
## 2728 2001   29    Zinder   173
## 2729 2001   30    Agadez     6
## 2730 2001   30     Diffa    13
## 2731 2001   30     Dosso    23
## 2732 2001   30    Maradi    53
## 2733 2001   30    Niamey     4
## 2734 2001   30    Tahoua    40
## 2735 2001   30 Tillaberi    43
## 2736 2001   30    Zinder   192
## 2737 2001   31    Agadez     0
## 2738 2001   31     Diffa    28
## 2739 2001   31     Dosso    10
## 2740 2001   31    Maradi    40
## 2741 2001   31    Niamey     0
## 2742 2001   31    Tahoua    32
## 2743 2001   31 Tillaberi    43
## 2744 2001   31    Zinder    91
## 2745 2001   32    Agadez     1
## 2746 2001   32     Diffa    13
## 2747 2001   32     Dosso     6
## 2748 2001   32    Maradi    64
## 2749 2001   32    Niamey     0
## 2750 2001   32    Tahoua    42
## 2751 2001   32 Tillaberi    18
## 2752 2001   32    Zinder   100
## 2753 2001   33    Agadez     1
## 2754 2001   33     Diffa    11
## 2755 2001   33     Dosso     7
## 2756 2001   33    Maradi    32
## 2757 2001   33    Niamey     0
## 2758 2001   33    Tahoua    29
## 2759 2001   33 Tillaberi    21
## 2760 2001   33    Zinder    67
## 2761 2001   34    Agadez     3
## 2762 2001   34     Diffa    12
## 2763 2001   34     Dosso     2
## 2764 2001   34    Maradi    18
## 2765 2001   34    Niamey     0
## 2766 2001   34    Tahoua     7
## 2767 2001   34 Tillaberi    17
## 2768 2001   34    Zinder    46
## 2769 2001   35    Agadez     4
## 2770 2001   35     Diffa     7
## 2771 2001   35     Dosso     1
## 2772 2001   35    Maradi    26
## 2773 2001   35    Niamey     0
## 2774 2001   35    Tahoua    17
## 2775 2001   35 Tillaberi    70
## 2776 2001   35    Zinder    56
## 2777 2001   36    Agadez     2
## 2778 2001   36     Diffa    11
## 2779 2001   36     Dosso     0
## 2780 2001   36    Maradi     8
## 2781 2001   36    Niamey     0
## 2782 2001   36    Tahoua    27
## 2783 2001   36 Tillaberi     3
## 2784 2001   36    Zinder    33
## 2785 2001   37    Agadez    14
## 2786 2001   37     Diffa    11
## 2787 2001   37     Dosso     0
## 2788 2001   37    Maradi     7
## 2789 2001   37    Niamey     0
## 2790 2001   37    Tahoua    12
## 2791 2001   37 Tillaberi    13
## 2792 2001   37    Zinder    39
## 2793 2001   38    Agadez     6
## 2794 2001   38     Diffa     4
## 2795 2001   38     Dosso     2
## 2796 2001   38    Maradi     1
## 2797 2001   38    Niamey     0
## 2798 2001   38    Tahoua     9
## 2799 2001   38 Tillaberi     1
## 2800 2001   38    Zinder    28
## 2801 2001   39    Agadez     0
## 2802 2001   39     Diffa     8
## 2803 2001   39     Dosso     4
## 2804 2001   39    Maradi     4
## 2805 2001   39    Niamey     0
## 2806 2001   39    Tahoua     4
## 2807 2001   39 Tillaberi     8
## 2808 2001   39    Zinder    31
## 2809 2001   40    Agadez     9
## 2810 2001   40     Diffa    10
## 2811 2001   40     Dosso    36
## 2812 2001   40    Maradi    13
## 2813 2001   40    Niamey     0
## 2814 2001   40    Tahoua     3
## 2815 2001   40 Tillaberi     5
## 2816 2001   40    Zinder    32
## 2817 2001   41    Agadez     5
## 2818 2001   41     Diffa    24
## 2819 2001   41     Dosso     2
## 2820 2001   41    Maradi     1
## 2821 2001   41    Niamey     0
## 2822 2001   41    Tahoua     0
## 2823 2001   41 Tillaberi     0
## 2824 2001   41    Zinder    77
## 2825 2001   42    Agadez    12
## 2826 2001   42     Diffa    18
## 2827 2001   42     Dosso     6
## 2828 2001   42    Maradi     3
## 2829 2001   42    Niamey     0
## 2830 2001   42    Tahoua    14
## 2831 2001   42 Tillaberi     2
## 2832 2001   42    Zinder    58
## 2833 2001   43    Agadez    11
## 2834 2001   43     Diffa     9
## 2835 2001   43     Dosso     2
## 2836 2001   43    Maradi     1
## 2837 2001   43    Niamey     0
## 2838 2001   43    Tahoua     7
## 2839 2001   43 Tillaberi     1
## 2840 2001   43    Zinder    35
## 2841 2001   44    Agadez    28
## 2842 2001   44     Diffa     7
## 2843 2001   44     Dosso     1
## 2844 2001   44    Maradi     1
## 2845 2001   44    Niamey     0
## 2846 2001   44    Tahoua     1
## 2847 2001   44 Tillaberi     0
## 2848 2001   44    Zinder    47
## 2849 2001   45    Agadez    20
## 2850 2001   45     Diffa     4
## 2851 2001   45     Dosso     1
## 2852 2001   45    Maradi     1
## 2853 2001   45    Niamey     0
## 2854 2001   45    Tahoua     5
## 2855 2001   45 Tillaberi     0
## 2856 2001   45    Zinder    22
## 2857 2001   46    Agadez    18
## 2858 2001   46     Diffa     2
## 2859 2001   46     Dosso     1
## 2860 2001   46    Maradi     0
## 2861 2001   46    Niamey     0
## 2862 2001   46    Tahoua     0
## 2863 2001   46 Tillaberi     0
## 2864 2001   46    Zinder    19
## 2865 2001   47    Agadez    13
## 2866 2001   47     Diffa     6
## 2867 2001   47     Dosso     5
## 2868 2001   47    Maradi     2
## 2869 2001   47    Niamey     0
## 2870 2001   47    Tahoua     8
## 2871 2001   47 Tillaberi    14
## 2872 2001   47    Zinder    56
## 2873 2001   48    Agadez    55
## 2874 2001   48     Diffa    12
## 2875 2001   48     Dosso     0
## 2876 2001   48    Maradi     1
## 2877 2001   48    Niamey     0
## 2878 2001   48    Tahoua     4
## 2879 2001   48 Tillaberi     4
## 2880 2001   48    Zinder    69
## 2881 2001   49    Agadez    21
## 2882 2001   49     Diffa    21
## 2883 2001   49     Dosso     0
## 2884 2001   49    Maradi     1
## 2885 2001   49    Niamey     0
## 2886 2001   49    Tahoua    11
## 2887 2001   49 Tillaberi    33
## 2888 2001   49    Zinder    59
## 2889 2001   50    Agadez    18
## 2890 2001   50     Diffa     8
## 2891 2001   50     Dosso     3
## 2892 2001   50    Maradi     4
## 2893 2001   50    Niamey     0
## 2894 2001   50    Tahoua    18
## 2895 2001   50 Tillaberi    12
## 2896 2001   50    Zinder    93
## 2897 2001   51    Agadez    10
## 2898 2001   51     Diffa     9
## 2899 2001   51     Dosso     4
## 2900 2001   51    Maradi     2
## 2901 2001   51    Niamey     0
## 2902 2001   51    Tahoua    20
## 2903 2001   51 Tillaberi     4
## 2904 2001   51    Zinder   162
## 2905 2001   52    Agadez    24
## 2906 2001   52     Diffa    24
## 2907 2001   52     Dosso     0
## 2908 2001   52    Maradi     3
## 2909 2001   52    Niamey     1
## 2910 2001   52    Tahoua    48
## 2911 2001   52 Tillaberi     0
## 2912 2001   52    Zinder   108
## 2913 2002    1    Agadez    19
## 2914 2002    1     Diffa    16
## 2915 2002    1     Dosso     2
## 2916 2002    1    Maradi    21
## 2917 2002    1    Niamey     4
## 2918 2002    1    Tahoua    98
## 2919 2002    1 Tillaberi     1
## 2920 2002    1    Zinder   172
## 2921 2002    2    Agadez    42
## 2922 2002    2     Diffa    19
## 2923 2002    2     Dosso    11
## 2924 2002    2    Maradi     4
## 2925 2002    2    Niamey     2
## 2926 2002    2    Tahoua    68
## 2927 2002    2 Tillaberi     0
## 2928 2002    2    Zinder   243
## 2929 2002    3    Agadez    46
## 2930 2002    3     Diffa    17
## 2931 2002    3     Dosso     8
## 2932 2002    3    Maradi    11
## 2933 2002    3    Niamey     4
## 2934 2002    3    Tahoua    99
## 2935 2002    3 Tillaberi     1
## 2936 2002    3    Zinder   306
## 2937 2002    4    Agadez    52
## 2938 2002    4     Diffa    37
## 2939 2002    4     Dosso    36
## 2940 2002    4    Maradi    36
## 2941 2002    4    Niamey     1
## 2942 2002    4    Tahoua    86
## 2943 2002    4 Tillaberi     9
## 2944 2002    4    Zinder   394
## 2945 2002    5    Agadez    42
## 2946 2002    5     Diffa    25
## 2947 2002    5     Dosso     2
## 2948 2002    5    Maradi    10
## 2949 2002    5    Niamey     2
## 2950 2002    5    Tahoua   113
## 2951 2002    5 Tillaberi     2
## 2952 2002    5    Zinder   299
## 2953 2002    6    Agadez    29
## 2954 2002    6     Diffa    36
## 2955 2002    6     Dosso     6
## 2956 2002    6    Maradi    26
## 2957 2002    6    Niamey     1
## 2958 2002    6    Tahoua    78
## 2959 2002    6 Tillaberi     8
## 2960 2002    6    Zinder   378
## 2961 2002    7    Agadez    91
## 2962 2002    7     Diffa    35
## 2963 2002    7     Dosso    26
## 2964 2002    7    Maradi    59
## 2965 2002    7    Niamey     1
## 2966 2002    7    Tahoua    62
## 2967 2002    7 Tillaberi     4
## 2968 2002    7    Zinder   324
## 2969 2002    8    Agadez    35
## 2970 2002    8     Diffa    40
## 2971 2002    8     Dosso     3
## 2972 2002    8    Maradi    44
## 2973 2002    8    Niamey     1
## 2974 2002    8    Tahoua   101
## 2975 2002    8 Tillaberi    13
## 2976 2002    8    Zinder   415
## 2977 2002    9    Agadez    36
## 2978 2002    9     Diffa    45
## 2979 2002    9     Dosso    22
## 2980 2002    9    Maradi    74
## 2981 2002    9    Niamey     3
## 2982 2002    9    Tahoua   112
## 2983 2002    9 Tillaberi    17
## 2984 2002    9    Zinder   540
## 2985 2002   10    Agadez    54
## 2986 2002   10     Diffa    83
## 2987 2002   10     Dosso    19
## 2988 2002   10    Maradi   117
## 2989 2002   10    Niamey     2
## 2990 2002   10    Tahoua   160
## 2991 2002   10 Tillaberi    28
## 2992 2002   10    Zinder   654
## 2993 2002   11    Agadez    42
## 2994 2002   11     Diffa    78
## 2995 2002   11     Dosso    27
## 2996 2002   11    Maradi   134
## 2997 2002   11    Niamey     2
## 2998 2002   11    Tahoua   136
## 2999 2002   11 Tillaberi    29
## 3000 2002   11    Zinder   826
## 3001 2002   12    Agadez    90
## 3002 2002   12     Diffa    67
## 3003 2002   12     Dosso    44
## 3004 2002   12    Maradi   179
## 3005 2002   12    Niamey     6
## 3006 2002   12    Tahoua   172
## 3007 2002   12 Tillaberi    82
## 3008 2002   12    Zinder   923
## 3009 2002   13    Agadez    70
## 3010 2002   13     Diffa    83
## 3011 2002   13     Dosso    36
## 3012 2002   13    Maradi    94
## 3013 2002   13    Niamey     6
## 3014 2002   13    Tahoua   166
## 3015 2002   13 Tillaberi    38
## 3016 2002   13    Zinder  1026
## 3017 2002   14    Agadez    92
## 3018 2002   14     Diffa    91
## 3019 2002   14     Dosso    33
## 3020 2002   14    Maradi   146
## 3021 2002   14    Niamey    17
## 3022 2002   14    Tahoua   195
## 3023 2002   14 Tillaberi    69
## 3024 2002   14    Zinder   886
## 3025 2002   15    Agadez    90
## 3026 2002   15     Diffa    86
## 3027 2002   15     Dosso    46
## 3028 2002   15    Maradi    96
## 3029 2002   15    Niamey    12
## 3030 2002   15    Tahoua   182
## 3031 2002   15 Tillaberi    53
## 3032 2002   15    Zinder   954
## 3033 2002   16    Agadez   108
## 3034 2002   16     Diffa    83
## 3035 2002   16     Dosso    49
## 3036 2002   16    Maradi   157
## 3037 2002   16    Niamey    16
## 3038 2002   16    Tahoua   167
## 3039 2002   16 Tillaberi     3
## 3040 2002   16    Zinder  1031
## 3041 2002   17    Agadez    85
## 3042 2002   17     Diffa    95
## 3043 2002   17     Dosso    57
## 3044 2002   17    Maradi    92
## 3045 2002   17    Niamey    21
## 3046 2002   17    Tahoua   198
## 3047 2002   17 Tillaberi    54
## 3048 2002   17    Zinder  1208
## 3049 2002   18    Agadez    71
## 3050 2002   18     Diffa    59
## 3051 2002   18     Dosso    43
## 3052 2002   18    Maradi   113
## 3053 2002   18    Niamey    17
## 3054 2002   18    Tahoua   188
## 3055 2002   18 Tillaberi    15
## 3056 2002   18    Zinder  1188
## 3057 2002   19    Agadez    85
## 3058 2002   19     Diffa    77
## 3059 2002   19     Dosso    52
## 3060 2002   19    Maradi    92
## 3061 2002   19    Niamey    14
## 3062 2002   19    Tahoua   194
## 3063 2002   19 Tillaberi    21
## 3064 2002   19    Zinder  1084
## 3065 2002   20    Agadez    64
## 3066 2002   20     Diffa    63
## 3067 2002   20     Dosso    31
## 3068 2002   20    Maradi   121
## 3069 2002   20    Niamey     4
## 3070 2002   20    Tahoua   163
## 3071 2002   20 Tillaberi    72
## 3072 2002   20    Zinder  1105
## 3073 2002   21    Agadez    64
## 3074 2002   21     Diffa    40
## 3075 2002   21     Dosso    15
## 3076 2002   21    Maradi    44
## 3077 2002   21    Niamey     4
## 3078 2002   21    Tahoua   166
## 3079 2002   21 Tillaberi    68
## 3080 2002   21    Zinder  1057
## 3081 2002   22    Agadez    47
## 3082 2002   22     Diffa    46
## 3083 2002   22     Dosso    43
## 3084 2002   22    Maradi    93
## 3085 2002   22    Niamey     8
## 3086 2002   22    Tahoua   122
## 3087 2002   22 Tillaberi    34
## 3088 2002   22    Zinder  1021
## 3089 2002   23    Agadez    48
## 3090 2002   23     Diffa    82
## 3091 2002   23     Dosso    20
## 3092 2002   23    Maradi    57
## 3093 2002   23    Niamey     6
## 3094 2002   23    Tahoua   124
## 3095 2002   23 Tillaberi    44
## 3096 2002   23    Zinder   704
## 3097 2002   24    Agadez    36
## 3098 2002   24     Diffa    91
## 3099 2002   24     Dosso    26
## 3100 2002   24    Maradi    86
## 3101 2002   24    Niamey     2
## 3102 2002   24    Tahoua   123
## 3103 2002   24 Tillaberi    22
## 3104 2002   24    Zinder   840
## 3105 2002   25    Agadez    31
## 3106 2002   25     Diffa    89
## 3107 2002   25     Dosso    30
## 3108 2002   25    Maradi    35
## 3109 2002   25    Niamey     1
## 3110 2002   25    Tahoua   109
## 3111 2002   25 Tillaberi    17
## 3112 2002   25    Zinder   842
## 3113 2002   26    Agadez    24
## 3114 2002   26     Diffa    37
## 3115 2002   26     Dosso    25
## 3116 2002   26    Maradi    44
## 3117 2002   26    Niamey     0
## 3118 2002   26    Tahoua    53
## 3119 2002   26 Tillaberi    44
## 3120 2002   26    Zinder   601
## 3121 2002   27    Agadez    33
## 3122 2002   27     Diffa    42
## 3123 2002   27     Dosso    23
## 3124 2002   27    Maradi    36
## 3125 2002   27    Niamey     0
## 3126 2002   27    Tahoua    49
## 3127 2002   27 Tillaberi    17
## 3128 2002   27    Zinder   626
## 3129 2002   28    Agadez    43
## 3130 2002   28     Diffa    50
## 3131 2002   28     Dosso    11
## 3132 2002   28    Maradi    17
## 3133 2002   28    Niamey     1
## 3134 2002   28    Tahoua    24
## 3135 2002   28 Tillaberi    28
## 3136 2002   28    Zinder   474
## 3137 2002   29    Agadez    26
## 3138 2002   29     Diffa    25
## 3139 2002   29     Dosso    10
## 3140 2002   29    Maradi    21
## 3141 2002   29    Niamey     0
## 3142 2002   29    Tahoua    34
## 3143 2002   29 Tillaberi    21
## 3144 2002   29    Zinder   356
## 3145 2002   30    Agadez    19
## 3146 2002   30     Diffa    16
## 3147 2002   30     Dosso     3
## 3148 2002   30    Maradi    11
## 3149 2002   30    Niamey     2
## 3150 2002   30    Tahoua    17
## 3151 2002   30 Tillaberi     6
## 3152 2002   30    Zinder   284
## 3153 2002   31    Agadez     8
## 3154 2002   31     Diffa    19
## 3155 2002   31     Dosso     1
## 3156 2002   31    Maradi    16
## 3157 2002   31    Niamey     2
## 3158 2002   31    Tahoua    17
## 3159 2002   31 Tillaberi     4
## 3160 2002   31    Zinder   216
## 3161 2002   32    Agadez    10
## 3162 2002   32     Diffa    14
## 3163 2002   32     Dosso     0
## 3164 2002   32    Maradi     9
## 3165 2002   32    Niamey     1
## 3166 2002   32    Tahoua    37
## 3167 2002   32 Tillaberi     2
## 3168 2002   32    Zinder   198
## 3169 2002   33    Agadez    12
## 3170 2002   33     Diffa     8
## 3171 2002   33     Dosso     4
## 3172 2002   33    Maradi    20
## 3173 2002   33    Niamey     0
## 3174 2002   33    Tahoua    15
## 3175 2002   33 Tillaberi     6
## 3176 2002   33    Zinder   132
## 3177 2002   34    Agadez    11
## 3178 2002   34     Diffa    16
## 3179 2002   34     Dosso     3
## 3180 2002   34    Maradi     5
## 3181 2002   34    Niamey     0
## 3182 2002   34    Tahoua    16
## 3183 2002   34 Tillaberi     0
## 3184 2002   34    Zinder   188
## 3185 2002   35    Agadez     4
## 3186 2002   35     Diffa     0
## 3187 2002   35     Dosso     6
## 3188 2002   35    Maradi    15
## 3189 2002   35    Niamey     0
## 3190 2002   35    Tahoua     6
## 3191 2002   35 Tillaberi     0
## 3192 2002   35    Zinder   185
## 3193 2002   36    Agadez     6
## 3194 2002   36     Diffa     1
## 3195 2002   36     Dosso     3
## 3196 2002   36    Maradi    20
## 3197 2002   36    Niamey     0
## 3198 2002   36    Tahoua     6
## 3199 2002   36 Tillaberi     6
## 3200 2002   36    Zinder    93
## 3201 2002   37    Agadez     5
## 3202 2002   37     Diffa     2
## 3203 2002   37     Dosso     5
## 3204 2002   37    Maradi     3
## 3205 2002   37    Niamey     0
## 3206 2002   37    Tahoua     1
## 3207 2002   37 Tillaberi     5
## 3208 2002   37    Zinder    75
## 3209 2002   38    Agadez     5
## 3210 2002   38     Diffa     1
## 3211 2002   38     Dosso     0
## 3212 2002   38    Maradi    30
## 3213 2002   38    Niamey     0
## 3214 2002   38    Tahoua     2
## 3215 2002   38 Tillaberi    23
## 3216 2002   38    Zinder    64
## 3217 2002   39    Agadez     2
## 3218 2002   39     Diffa     7
## 3219 2002   39     Dosso     2
## 3220 2002   39    Maradi    25
## 3221 2002   39    Niamey     0
## 3222 2002   39    Tahoua     4
## 3223 2002   39 Tillaberi     1
## 3224 2002   39    Zinder    54
## 3225 2002   40    Agadez     0
## 3226 2002   40     Diffa     0
## 3227 2002   40     Dosso     0
## 3228 2002   40    Maradi     7
## 3229 2002   40    Niamey     0
## 3230 2002   40    Tahoua     4
## 3231 2002   40 Tillaberi     0
## 3232 2002   40    Zinder    59
## 3233 2002   41    Agadez     0
## 3234 2002   41     Diffa     0
## 3235 2002   41     Dosso     3
## 3236 2002   41    Maradi    10
## 3237 2002   41    Niamey     0
## 3238 2002   41    Tahoua     1
## 3239 2002   41 Tillaberi     1
## 3240 2002   41    Zinder    84
## 3241 2002   42    Agadez     0
## 3242 2002   42     Diffa     0
## 3243 2002   42     Dosso     0
## 3244 2002   42    Maradi     1
## 3245 2002   42    Niamey     0
## 3246 2002   42    Tahoua    20
## 3247 2002   42 Tillaberi     1
## 3248 2002   42    Zinder    51
## 3249 2002   43    Agadez     0
## 3250 2002   43     Diffa     0
## 3251 2002   43     Dosso     0
## 3252 2002   43    Maradi     2
## 3253 2002   43    Niamey     0
## 3254 2002   43    Tahoua     4
## 3255 2002   43 Tillaberi     3
## 3256 2002   43    Zinder    71
## 3257 2002   44    Agadez     0
## 3258 2002   44     Diffa     0
## 3259 2002   44     Dosso     0
## 3260 2002   44    Maradi     5
## 3261 2002   44    Niamey     0
## 3262 2002   44    Tahoua     3
## 3263 2002   44 Tillaberi     3
## 3264 2002   44    Zinder    43
## 3265 2002   45    Agadez     0
## 3266 2002   45     Diffa     0
## 3267 2002   45     Dosso    22
## 3268 2002   45    Maradi     7
## 3269 2002   45    Niamey     0
## 3270 2002   45    Tahoua     4
## 3271 2002   45 Tillaberi     0
## 3272 2002   45    Zinder    77
## 3273 2002   46    Agadez     0
## 3274 2002   46     Diffa     0
## 3275 2002   46     Dosso     2
## 3276 2002   46    Maradi     5
## 3277 2002   46    Niamey     1
## 3278 2002   46    Tahoua     6
## 3279 2002   46 Tillaberi     0
## 3280 2002   46    Zinder    36
## 3281 2002   47    Agadez     0
## 3282 2002   47     Diffa     0
## 3283 2002   47     Dosso     1
## 3284 2002   47    Maradi    19
## 3285 2002   47    Niamey     0
## 3286 2002   47    Tahoua    11
## 3287 2002   47 Tillaberi     0
## 3288 2002   47    Zinder    56
## 3289 2002   48    Agadez     2
## 3290 2002   48     Diffa     0
## 3291 2002   48     Dosso     1
## 3292 2002   48    Maradi    20
## 3293 2002   48    Niamey     0
## 3294 2002   48    Tahoua     0
## 3295 2002   48 Tillaberi     0
## 3296 2002   48    Zinder    49
## 3297 2002   49    Agadez     0
## 3298 2002   49     Diffa     0
## 3299 2002   49     Dosso     1
## 3300 2002   49    Maradi    10
## 3301 2002   49    Niamey     0
## 3302 2002   49    Tahoua     4
## 3303 2002   49 Tillaberi     0
## 3304 2002   49    Zinder    96
## 3305 2002   50    Agadez     0
## 3306 2002   50     Diffa     0
## 3307 2002   50     Dosso     2
## 3308 2002   50    Maradi    41
## 3309 2002   50    Niamey     1
## 3310 2002   50    Tahoua     4
## 3311 2002   50 Tillaberi     0
## 3312 2002   50    Zinder    25
## 3313 2002   51    Agadez     0
## 3314 2002   51     Diffa     0
## 3315 2002   51     Dosso     1
## 3316 2002   51    Maradi    53
## 3317 2002   51    Niamey     0
## 3318 2002   51    Tahoua     9
## 3319 2002   51 Tillaberi    11
## 3320 2002   51    Zinder   127
## 3321 2002   52    Agadez     0
## 3322 2002   52     Diffa     0
## 3323 2002   52     Dosso     9
## 3324 2002   52    Maradi    28
## 3325 2002   52    Niamey     0
## 3326 2002   52    Tahoua    13
## 3327 2002   52 Tillaberi    16
## 3328 2002   52    Zinder   128
## 3329 2003    1    Agadez     0
## 3330 2003    1     Diffa     1
## 3331 2003    1     Dosso     7
## 3332 2003    1    Maradi    65
## 3333 2003    1    Niamey     1
## 3334 2003    1    Tahoua    21
## 3335 2003    1 Tillaberi    49
## 3336 2003    1    Zinder   193
## 3337 2003    2    Agadez     2
## 3338 2003    2     Diffa     4
## 3339 2003    2     Dosso     1
## 3340 2003    2    Maradi    87
## 3341 2003    2    Niamey     1
## 3342 2003    2    Tahoua    21
## 3343 2003    2 Tillaberi    20
## 3344 2003    2    Zinder   195
## 3345 2003    3    Agadez     2
## 3346 2003    3     Diffa     0
## 3347 2003    3     Dosso    23
## 3348 2003    3    Maradi   111
## 3349 2003    3    Niamey     0
## 3350 2003    3    Tahoua    38
## 3351 2003    3 Tillaberi    47
## 3352 2003    3    Zinder   296
## 3353 2003    4    Agadez     3
## 3354 2003    4     Diffa     0
## 3355 2003    4     Dosso    26
## 3356 2003    4    Maradi   153
## 3357 2003    4    Niamey     2
## 3358 2003    4    Tahoua    40
## 3359 2003    4 Tillaberi    49
## 3360 2003    4    Zinder   402
## 3361 2003    5    Agadez     2
## 3362 2003    5     Diffa     1
## 3363 2003    5     Dosso    42
## 3364 2003    5    Maradi   215
## 3365 2003    5    Niamey     2
## 3366 2003    5    Tahoua    60
## 3367 2003    5 Tillaberi    78
## 3368 2003    5    Zinder   455
## 3369 2003    6    Agadez     5
## 3370 2003    6     Diffa     1
## 3371 2003    6     Dosso    39
## 3372 2003    6    Maradi   186
## 3373 2003    6    Niamey     0
## 3374 2003    6    Tahoua    45
## 3375 2003    6 Tillaberi    92
## 3376 2003    6    Zinder   623
## 3377 2003    7    Agadez     6
## 3378 2003    7     Diffa     1
## 3379 2003    7     Dosso   106
## 3380 2003    7    Maradi   273
## 3381 2003    7    Niamey     0
## 3382 2003    7    Tahoua    84
## 3383 2003    7 Tillaberi   105
## 3384 2003    7    Zinder   620
## 3385 2003    8    Agadez    14
## 3386 2003    8     Diffa     5
## 3387 2003    8     Dosso   142
## 3388 2003    8    Maradi   347
## 3389 2003    8    Niamey     5
## 3390 2003    8    Tahoua   106
## 3391 2003    8 Tillaberi    74
## 3392 2003    8    Zinder   731
## 3393 2003    9    Agadez    14
## 3394 2003    9     Diffa    12
## 3395 2003    9     Dosso   236
## 3396 2003    9    Maradi   370
## 3397 2003    9    Niamey     8
## 3398 2003    9    Tahoua    93
## 3399 2003    9 Tillaberi    94
## 3400 2003    9    Zinder   857
## 3401 2003   10    Agadez     8
## 3402 2003   10     Diffa    14
## 3403 2003   10     Dosso   175
## 3404 2003   10    Maradi   370
## 3405 2003   10    Niamey     8
## 3406 2003   10    Tahoua   117
## 3407 2003   10 Tillaberi   167
## 3408 2003   10    Zinder   904
## 3409 2003   11    Agadez     3
## 3410 2003   11     Diffa    31
## 3411 2003   11     Dosso   261
## 3412 2003   11    Maradi   479
## 3413 2003   11    Niamey     6
## 3414 2003   11    Tahoua   152
## 3415 2003   11 Tillaberi   149
## 3416 2003   11    Zinder  1161
## 3417 2003   12    Agadez    36
## 3418 2003   12     Diffa    25
## 3419 2003   12     Dosso   264
## 3420 2003   12    Maradi   566
## 3421 2003   12    Niamey    20
## 3422 2003   12    Tahoua   190
## 3423 2003   12 Tillaberi   162
## 3424 2003   12    Zinder  1134
## 3425 2003   13    Agadez     1
## 3426 2003   13     Diffa    31
## 3427 2003   13     Dosso   344
## 3428 2003   13    Maradi   630
## 3429 2003   13    Niamey     6
## 3430 2003   13    Tahoua   174
## 3431 2003   13 Tillaberi   176
## 3432 2003   13    Zinder  1342
## 3433 2003   14    Agadez     5
## 3434 2003   14     Diffa    18
## 3435 2003   14     Dosso   227
## 3436 2003   14    Maradi   711
## 3437 2003   14    Niamey    12
## 3438 2003   14    Tahoua   209
## 3439 2003   14 Tillaberi   154
## 3440 2003   14    Zinder  1376
## 3441 2003   15    Agadez     7
## 3442 2003   15     Diffa    55
## 3443 2003   15     Dosso   241
## 3444 2003   15    Maradi   789
## 3445 2003   15    Niamey     9
## 3446 2003   15    Tahoua   238
## 3447 2003   15 Tillaberi   168
## 3448 2003   15    Zinder  1303
## 3449 2003   16    Agadez     4
## 3450 2003   16     Diffa    24
## 3451 2003   16     Dosso   318
## 3452 2003   16    Maradi   676
## 3453 2003   16    Niamey     9
## 3454 2003   16    Tahoua   255
## 3455 2003   16 Tillaberi   163
## 3456 2003   16    Zinder  1258
## 3457 2003   17    Agadez     4
## 3458 2003   17     Diffa    33
## 3459 2003   17     Dosso   264
## 3460 2003   17    Maradi   532
## 3461 2003   17    Niamey     9
## 3462 2003   17    Tahoua   286
## 3463 2003   17 Tillaberi   132
## 3464 2003   17    Zinder  1208
## 3465 2003   18    Agadez     8
## 3466 2003   18     Diffa    13
## 3467 2003   18     Dosso   257
## 3468 2003   18    Maradi   608
## 3469 2003   18    Niamey    12
## 3470 2003   18    Tahoua   289
## 3471 2003   18 Tillaberi   206
## 3472 2003   18    Zinder  1228
## 3473 2003   19    Agadez    12
## 3474 2003   19     Diffa    23
## 3475 2003   19     Dosso   143
## 3476 2003   19    Maradi   537
## 3477 2003   19    Niamey     8
## 3478 2003   19    Tahoua   289
## 3479 2003   19 Tillaberi   208
## 3480 2003   19    Zinder  1182
## 3481 2003   20    Agadez    13
## 3482 2003   20     Diffa    36
## 3483 2003   20     Dosso   179
## 3484 2003   20    Maradi   590
## 3485 2003   20    Niamey    11
## 3486 2003   20    Tahoua   305
## 3487 2003   20 Tillaberi   219
## 3488 2003   20    Zinder  1282
## 3489 2003   21    Agadez     5
## 3490 2003   21     Diffa    40
## 3491 2003   21     Dosso   174
## 3492 2003   21    Maradi   726
## 3493 2003   21    Niamey    17
## 3494 2003   21    Tahoua   331
## 3495 2003   21 Tillaberi   207
## 3496 2003   21    Zinder  1310
## 3497 2003   22    Agadez     6
## 3498 2003   22     Diffa    36
## 3499 2003   22     Dosso   137
## 3500 2003   22    Maradi   851
## 3501 2003   22    Niamey    19
## 3502 2003   22    Tahoua   313
## 3503 2003   22 Tillaberi   179
## 3504 2003   22    Zinder  1157
## 3505 2003   23    Agadez     8
## 3506 2003   23     Diffa    24
## 3507 2003   23     Dosso   116
## 3508 2003   23    Maradi   687
## 3509 2003   23    Niamey     6
## 3510 2003   23    Tahoua   291
## 3511 2003   23 Tillaberi   125
## 3512 2003   23    Zinder   797
## 3513 2003   24    Agadez     7
## 3514 2003   24     Diffa    55
## 3515 2003   24     Dosso   115
## 3516 2003   24    Maradi   667
## 3517 2003   24    Niamey     9
## 3518 2003   24    Tahoua   338
## 3519 2003   24 Tillaberi    67
## 3520 2003   24    Zinder   958
## 3521 2003   25    Agadez     3
## 3522 2003   25     Diffa     1
## 3523 2003   25     Dosso    70
## 3524 2003   25    Maradi   454
## 3525 2003   25    Niamey     7
## 3526 2003   25    Tahoua   236
## 3527 2003   25 Tillaberi    58
## 3528 2003   25    Zinder   764
## 3529 2003   26    Agadez     5
## 3530 2003   26     Diffa    22
## 3531 2003   26     Dosso    36
## 3532 2003   26    Maradi   349
## 3533 2003   26    Niamey     8
## 3534 2003   26    Tahoua   236
## 3535 2003   26 Tillaberi    33
## 3536 2003   26    Zinder   598
## 3537 2003   27    Agadez     5
## 3538 2003   27     Diffa    26
## 3539 2003   27     Dosso    16
## 3540 2003   27    Maradi   254
## 3541 2003   27    Niamey     7
## 3542 2003   27    Tahoua   173
## 3543 2003   27 Tillaberi    27
## 3544 2003   27    Zinder   492
## 3545 2003   28    Agadez     2
## 3546 2003   28     Diffa     1
## 3547 2003   28     Dosso    18
## 3548 2003   28    Maradi   212
## 3549 2003   28    Niamey     1
## 3550 2003   28    Tahoua   181
## 3551 2003   28 Tillaberi    15
## 3552 2003   28    Zinder   395
## 3553 2003   29    Agadez     6
## 3554 2003   29     Diffa    24
## 3555 2003   29     Dosso     8
## 3556 2003   29    Maradi   204
## 3557 2003   29    Niamey     5
## 3558 2003   29    Tahoua   158
## 3559 2003   29 Tillaberi    33
## 3560 2003   29    Zinder   284
## 3561 2003   30    Agadez     4
## 3562 2003   30     Diffa     4
## 3563 2003   30     Dosso     3
## 3564 2003   30    Maradi   205
## 3565 2003   30    Niamey     0
## 3566 2003   30    Tahoua   155
## 3567 2003   30 Tillaberi    16
## 3568 2003   30    Zinder   376
## 3569 2003   31    Agadez    12
## 3570 2003   31     Diffa     3
## 3571 2003   31     Dosso     3
## 3572 2003   31    Maradi   162
## 3573 2003   31    Niamey     0
## 3574 2003   31    Tahoua   164
## 3575 2003   31 Tillaberi    13
## 3576 2003   31    Zinder   202
## 3577 2003   32    Agadez    16
## 3578 2003   32     Diffa    13
## 3579 2003   32     Dosso     1
## 3580 2003   32    Maradi   115
## 3581 2003   32    Niamey     0
## 3582 2003   32    Tahoua   112
## 3583 2003   32 Tillaberi    11
## 3584 2003   32    Zinder   173
## 3585 2003   33    Agadez    11
## 3586 2003   33     Diffa     0
## 3587 2003   33     Dosso     6
## 3588 2003   33    Maradi    86
## 3589 2003   33    Niamey     1
## 3590 2003   33    Tahoua   139
## 3591 2003   33 Tillaberi     0
## 3592 2003   33    Zinder   109
## 3593 2003   34    Agadez    15
## 3594 2003   34     Diffa     3
## 3595 2003   34     Dosso     6
## 3596 2003   34    Maradi    87
## 3597 2003   34    Niamey     0
## 3598 2003   34    Tahoua   115
## 3599 2003   34 Tillaberi    16
## 3600 2003   34    Zinder   107
## 3601 2003   35    Agadez    13
## 3602 2003   35     Diffa     0
## 3603 2003   35     Dosso     3
## 3604 2003   35    Maradi    65
## 3605 2003   35    Niamey     0
## 3606 2003   35    Tahoua    87
## 3607 2003   35 Tillaberi     8
## 3608 2003   35    Zinder    83
## 3609 2003   36    Agadez    16
## 3610 2003   36     Diffa     8
## 3611 2003   36     Dosso     0
## 3612 2003   36    Maradi    75
## 3613 2003   36    Niamey     0
## 3614 2003   36    Tahoua    88
## 3615 2003   36 Tillaberi    16
## 3616 2003   36    Zinder    54
## 3617 2003   37    Agadez    27
## 3618 2003   37     Diffa     0
## 3619 2003   37     Dosso     1
## 3620 2003   37    Maradi    66
## 3621 2003   37    Niamey     0
## 3622 2003   37    Tahoua    69
## 3623 2003   37 Tillaberi    12
## 3624 2003   37    Zinder    75
## 3625 2003   38    Agadez    23
## 3626 2003   38     Diffa     0
## 3627 2003   38     Dosso     1
## 3628 2003   38    Maradi    34
## 3629 2003   38    Niamey     0
## 3630 2003   38    Tahoua    85
## 3631 2003   38 Tillaberi     5
## 3632 2003   38    Zinder    85
## 3633 2003   39    Agadez    18
## 3634 2003   39     Diffa     0
## 3635 2003   39     Dosso     0
## 3636 2003   39    Maradi    36
## 3637 2003   39    Niamey     3
## 3638 2003   39    Tahoua    90
## 3639 2003   39 Tillaberi     2
## 3640 2003   39    Zinder    41
## 3641 2003   40    Agadez    17
## 3642 2003   40     Diffa     0
## 3643 2003   40     Dosso     0
## 3644 2003   40    Maradi    30
## 3645 2003   40    Niamey     2
## 3646 2003   40    Tahoua    97
## 3647 2003   40 Tillaberi     3
## 3648 2003   40    Zinder    46
## 3649 2003   41    Agadez     6
## 3650 2003   41     Diffa     0
## 3651 2003   41     Dosso     0
## 3652 2003   41    Maradi    37
## 3653 2003   41    Niamey     6
## 3654 2003   41    Tahoua   105
## 3655 2003   41 Tillaberi     5
## 3656 2003   41    Zinder    29
## 3657 2003   42    Agadez     2
## 3658 2003   42     Diffa     0
## 3659 2003   42     Dosso     1
## 3660 2003   42    Maradi    43
## 3661 2003   42    Niamey     1
## 3662 2003   42    Tahoua    80
## 3663 2003   42 Tillaberi     7
## 3664 2003   42    Zinder    36
## 3665 2003   43    Agadez     4
## 3666 2003   43     Diffa     0
## 3667 2003   43     Dosso     4
## 3668 2003   43    Maradi    21
## 3669 2003   43    Niamey     0
## 3670 2003   43    Tahoua    76
## 3671 2003   43 Tillaberi    12
## 3672 2003   43    Zinder    26
## 3673 2003   44    Agadez    14
## 3674 2003   44     Diffa     0
## 3675 2003   44     Dosso     7
## 3676 2003   44    Maradi    26
## 3677 2003   44    Niamey     5
## 3678 2003   44    Tahoua    91
## 3679 2003   44 Tillaberi     7
## 3680 2003   44    Zinder    52
## 3681 2003   45    Agadez     5
## 3682 2003   45     Diffa     0
## 3683 2003   45     Dosso     4
## 3684 2003   45    Maradi    79
## 3685 2003   45    Niamey     9
## 3686 2003   45    Tahoua    87
## 3687 2003   45 Tillaberi     1
## 3688 2003   45    Zinder    32
## 3689 2003   46    Agadez     7
## 3690 2003   46     Diffa     0
## 3691 2003   46     Dosso     1
## 3692 2003   46    Maradi    42
## 3693 2003   46    Niamey     1
## 3694 2003   46    Tahoua    86
## 3695 2003   46 Tillaberi    16
## 3696 2003   46    Zinder    47
## 3697 2003   47    Agadez    20
## 3698 2003   47     Diffa     0
## 3699 2003   47     Dosso     0
## 3700 2003   47    Maradi    78
## 3701 2003   47    Niamey    21
## 3702 2003   47    Tahoua   108
## 3703 2003   47 Tillaberi     9
## 3704 2003   47    Zinder    54
## 3705 2003   48    Agadez     1
## 3706 2003   48     Diffa     0
## 3707 2003   48     Dosso     3
## 3708 2003   48    Maradi    34
## 3709 2003   48    Niamey    17
## 3710 2003   48    Tahoua    99
## 3711 2003   48 Tillaberi    16
## 3712 2003   48    Zinder    24
## 3713 2003   49    Agadez    13
## 3714 2003   49     Diffa     0
## 3715 2003   49     Dosso     3
## 3716 2003   49    Maradi    63
## 3717 2003   49    Niamey    33
## 3718 2003   49    Tahoua   153
## 3719 2003   49 Tillaberi    51
## 3720 2003   49    Zinder    57
## 3721 2003   50    Agadez     9
## 3722 2003   50     Diffa     0
## 3723 2003   50     Dosso     1
## 3724 2003   50    Maradi    87
## 3725 2003   50    Niamey    32
## 3726 2003   50    Tahoua   202
## 3727 2003   50 Tillaberi    16
## 3728 2003   50    Zinder    92
## 3729 2003   51    Agadez     1
## 3730 2003   51     Diffa     0
## 3731 2003   51     Dosso     7
## 3732 2003   51    Maradi   107
## 3733 2003   51    Niamey    28
## 3734 2003   51    Tahoua   302
## 3735 2003   51 Tillaberi    13
## 3736 2003   51    Zinder    84
## 3737 2003   52    Agadez     6
## 3738 2003   52     Diffa     0
## 3739 2003   52     Dosso     8
## 3740 2003   52    Maradi   124
## 3741 2003   52    Niamey    61
## 3742 2003   52    Tahoua   267
## 3743 2003   52 Tillaberi    49
## 3744 2003   52    Zinder   122
## 3745 2004    1    Agadez    11
## 3746 2004    1     Diffa     0
## 3747 2004    1     Dosso     7
## 3748 2004    1    Maradi   134
## 3749 2004    1    Niamey    60
## 3750 2004    1    Tahoua   333
## 3751 2004    1 Tillaberi   124
## 3752 2004    1    Zinder   141
## 3753 2004    2    Agadez    12
## 3754 2004    2     Diffa     1
## 3755 2004    2     Dosso    30
## 3756 2004    2    Maradi   236
## 3757 2004    2    Niamey    62
## 3758 2004    2    Tahoua   319
## 3759 2004    2 Tillaberi   123
## 3760 2004    2    Zinder    63
## 3761 2004    3    Agadez    17
## 3762 2004    3     Diffa     3
## 3763 2004    3     Dosso    49
## 3764 2004    3    Maradi   191
## 3765 2004    3    Niamey    81
## 3766 2004    3    Tahoua   332
## 3767 2004    3 Tillaberi    47
## 3768 2004    3    Zinder   108
## 3769 2004    4    Agadez    12
## 3770 2004    4     Diffa     4
## 3771 2004    4     Dosso    97
## 3772 2004    4    Maradi   190
## 3773 2004    4    Niamey    99
## 3774 2004    4    Tahoua   438
## 3775 2004    4 Tillaberi   121
## 3776 2004    4    Zinder   123
## 3777 2004    5    Agadez    16
## 3778 2004    5     Diffa     5
## 3779 2004    5     Dosso   111
## 3780 2004    5    Maradi   176
## 3781 2004    5    Niamey   115
## 3782 2004    5    Tahoua   435
## 3783 2004    5 Tillaberi   206
## 3784 2004    5    Zinder   110
## 3785 2004    6    Agadez    18
## 3786 2004    6     Diffa     0
## 3787 2004    6     Dosso   141
## 3788 2004    6    Maradi   243
## 3789 2004    6    Niamey   209
## 3790 2004    6    Tahoua   579
## 3791 2004    6 Tillaberi   291
## 3792 2004    6    Zinder   127
## 3793 2004    7    Agadez    17
## 3794 2004    7     Diffa    34
## 3795 2004    7     Dosso   147
## 3796 2004    7    Maradi   251
## 3797 2004    7    Niamey   211
## 3798 2004    7    Tahoua   818
## 3799 2004    7 Tillaberi   364
## 3800 2004    7    Zinder   144
## 3801 2004    8    Agadez    29
## 3802 2004    8     Diffa    16
## 3803 2004    8     Dosso   209
## 3804 2004    8    Maradi   270
## 3805 2004    8    Niamey   394
## 3806 2004    8    Tahoua   608
## 3807 2004    8 Tillaberi   414
## 3808 2004    8    Zinder   115
## 3809 2004    9    Agadez    23
## 3810 2004    9     Diffa    53
## 3811 2004    9     Dosso   262
## 3812 2004    9    Maradi   244
## 3813 2004    9    Niamey   378
## 3814 2004    9    Tahoua   704
## 3815 2004    9 Tillaberi   595
## 3816 2004    9    Zinder   151
## 3817 2004   10    Agadez    25
## 3818 2004   10     Diffa    38
## 3819 2004   10     Dosso   266
## 3820 2004   10    Maradi   240
## 3821 2004   10    Niamey   849
## 3822 2004   10    Tahoua   638
## 3823 2004   10 Tillaberi   619
## 3824 2004   10    Zinder   124
## 3825 2004   11    Agadez    43
## 3826 2004   11     Diffa    71
## 3827 2004   11     Dosso   374
## 3828 2004   11    Maradi   350
## 3829 2004   11    Niamey  1131
## 3830 2004   11    Tahoua   795
## 3831 2004   11 Tillaberi   965
## 3832 2004   11    Zinder   183
## 3833 2004   12    Agadez    26
## 3834 2004   12     Diffa    83
## 3835 2004   12     Dosso   444
## 3836 2004   12    Maradi   278
## 3837 2004   12    Niamey  1076
## 3838 2004   12    Tahoua  1005
## 3839 2004   12 Tillaberi   795
## 3840 2004   12    Zinder   148
## 3841 2004   13    Agadez    62
## 3842 2004   13     Diffa    56
## 3843 2004   13     Dosso   484
## 3844 2004   13    Maradi   409
## 3845 2004   13    Niamey  1138
## 3846 2004   13    Tahoua  1034
## 3847 2004   13 Tillaberi   860
## 3848 2004   13    Zinder   180
## 3849 2004   14    Agadez    44
## 3850 2004   14     Diffa    59
## 3851 2004   14     Dosso   486
## 3852 2004   14    Maradi   299
## 3853 2004   14    Niamey   823
## 3854 2004   14    Tahoua  1089
## 3855 2004   14 Tillaberi   772
## 3856 2004   14    Zinder   125
## 3857 2004   15    Agadez    46
## 3858 2004   15     Diffa    79
## 3859 2004   15     Dosso   570
## 3860 2004   15    Maradi   441
## 3861 2004   15    Niamey  1514
## 3862 2004   15    Tahoua  1063
## 3863 2004   15 Tillaberi  1118
## 3864 2004   15    Zinder   182
## 3865 2004   16    Agadez    58
## 3866 2004   16     Diffa    90
## 3867 2004   16     Dosso   591
## 3868 2004   16    Maradi   493
## 3869 2004   16    Niamey   896
## 3870 2004   16    Tahoua   886
## 3871 2004   16 Tillaberi  1251
## 3872 2004   16    Zinder   142
## 3873 2004   17    Agadez    50
## 3874 2004   17     Diffa    36
## 3875 2004   17     Dosso   558
## 3876 2004   17    Maradi   451
## 3877 2004   17    Niamey  1036
## 3878 2004   17    Tahoua  1177
## 3879 2004   17 Tillaberi  1021
## 3880 2004   17    Zinder   212
## 3881 2004   18    Agadez    36
## 3882 2004   18     Diffa    43
## 3883 2004   18     Dosso   386
## 3884 2004   18    Maradi   503
## 3885 2004   18    Niamey   498
## 3886 2004   18    Tahoua   981
## 3887 2004   18 Tillaberi   852
## 3888 2004   18    Zinder   221
## 3889 2004   19    Agadez    33
## 3890 2004   19     Diffa    43
## 3891 2004   19     Dosso   392
## 3892 2004   19    Maradi   454
## 3893 2004   19    Niamey   287
## 3894 2004   19    Tahoua  1010
## 3895 2004   19 Tillaberi   589
## 3896 2004   19    Zinder   293
## 3897 2004   20    Agadez    27
## 3898 2004   20     Diffa    47
## 3899 2004   20     Dosso   238
## 3900 2004   20    Maradi   481
## 3901 2004   20    Niamey   208
## 3902 2004   20    Tahoua   691
## 3903 2004   20 Tillaberi   360
## 3904 2004   20    Zinder   309
## 3905 2004   21    Agadez    20
## 3906 2004   21     Diffa   112
## 3907 2004   21     Dosso   158
## 3908 2004   21    Maradi   412
## 3909 2004   21    Niamey   108
## 3910 2004   21    Tahoua   499
## 3911 2004   21 Tillaberi   427
## 3912 2004   21    Zinder   453
## 3913 2004   22    Agadez    15
## 3914 2004   22     Diffa    41
## 3915 2004   22     Dosso   190
## 3916 2004   22    Maradi   424
## 3917 2004   22    Niamey    32
## 3918 2004   22    Tahoua   455
## 3919 2004   22 Tillaberi   288
## 3920 2004   22    Zinder   279
## 3921 2004   23    Agadez    26
## 3922 2004   23     Diffa    16
## 3923 2004   23     Dosso   138
## 3924 2004   23    Maradi   385
## 3925 2004   23    Niamey    24
## 3926 2004   23    Tahoua   420
## 3927 2004   23 Tillaberi   199
## 3928 2004   23    Zinder   164
## 3929 2004   24    Agadez    11
## 3930 2004   24     Diffa    91
## 3931 2004   24     Dosso   142
## 3932 2004   24    Maradi   316
## 3933 2004   24    Niamey    24
## 3934 2004   24    Tahoua   249
## 3935 2004   24 Tillaberi   145
## 3936 2004   24    Zinder   176
## 3937 2004   25    Agadez    30
## 3938 2004   25     Diffa    12
## 3939 2004   25     Dosso    96
## 3940 2004   25    Maradi   247
## 3941 2004   25    Niamey    12
## 3942 2004   25    Tahoua   291
## 3943 2004   25 Tillaberi   133
## 3944 2004   25    Zinder   105
## 3945 2004   26    Agadez    15
## 3946 2004   26     Diffa    26
## 3947 2004   26     Dosso    89
## 3948 2004   26    Maradi   179
## 3949 2004   26    Niamey     6
## 3950 2004   26    Tahoua   203
## 3951 2004   26 Tillaberi   110
## 3952 2004   26    Zinder   103
## 3953 2004   27    Agadez    17
## 3954 2004   27     Diffa     5
## 3955 2004   27     Dosso    31
## 3956 2004   27    Maradi   108
## 3957 2004   27    Niamey     3
## 3958 2004   27    Tahoua   130
## 3959 2004   27 Tillaberi    69
## 3960 2004   27    Zinder    80
## 3961 2004   28    Agadez     8
## 3962 2004   28     Diffa    10
## 3963 2004   28     Dosso    43
## 3964 2004   28    Maradi    63
## 3965 2004   28    Niamey     2
## 3966 2004   28    Tahoua   104
## 3967 2004   28 Tillaberi    62
## 3968 2004   28    Zinder    84
## 3969 2004   29    Agadez    11
## 3970 2004   29     Diffa    16
## 3971 2004   29     Dosso    24
## 3972 2004   29    Maradi    54
## 3973 2004   29    Niamey     2
## 3974 2004   29    Tahoua   128
## 3975 2004   29 Tillaberi    40
## 3976 2004   29    Zinder    64
## 3977 2004   30    Agadez    13
## 3978 2004   30     Diffa     2
## 3979 2004   30     Dosso    24
## 3980 2004   30    Maradi    47
## 3981 2004   30    Niamey     2
## 3982 2004   30    Tahoua    52
## 3983 2004   30 Tillaberi    34
## 3984 2004   30    Zinder    25
## 3985 2004   31    Agadez    10
## 3986 2004   31     Diffa     4
## 3987 2004   31     Dosso    10
## 3988 2004   31    Maradi    33
## 3989 2004   31    Niamey     2
## 3990 2004   31    Tahoua    41
## 3991 2004   31 Tillaberi    32
## 3992 2004   31    Zinder    19
## 3993 2004   32    Agadez    11
## 3994 2004   32     Diffa     7
## 3995 2004   32     Dosso    17
## 3996 2004   32    Maradi    23
## 3997 2004   32    Niamey     2
## 3998 2004   32    Tahoua    31
## 3999 2004   32 Tillaberi    38
## 4000 2004   32    Zinder    12
## 4001 2004   33    Agadez    11
## 4002 2004   33     Diffa    11
## 4003 2004   33     Dosso    13
## 4004 2004   33    Maradi    34
## 4005 2004   33    Niamey     0
## 4006 2004   33    Tahoua    23
## 4007 2004   33 Tillaberi    23
## 4008 2004   33    Zinder    16
## 4009 2004   34    Agadez     6
## 4010 2004   34     Diffa     0
## 4011 2004   34     Dosso    11
## 4012 2004   34    Maradi    13
## 4013 2004   34    Niamey     0
## 4014 2004   34    Tahoua     2
## 4015 2004   34 Tillaberi     9
## 4016 2004   34    Zinder     7
## 4017 2004   35    Agadez     6
## 4018 2004   35     Diffa     2
## 4019 2004   35     Dosso     9
## 4020 2004   35    Maradi     7
## 4021 2004   35    Niamey     0
## 4022 2004   35    Tahoua    12
## 4023 2004   35 Tillaberi     7
## 4024 2004   35    Zinder     8
## 4025 2004   36    Agadez     3
## 4026 2004   36     Diffa     1
## 4027 2004   36     Dosso    11
## 4028 2004   36    Maradi    10
## 4029 2004   36    Niamey     0
## 4030 2004   36    Tahoua    19
## 4031 2004   36 Tillaberi     2
## 4032 2004   36    Zinder     3
## 4033 2004   37    Agadez     2
## 4034 2004   37     Diffa     1
## 4035 2004   37     Dosso     8
## 4036 2004   37    Maradi     7
## 4037 2004   37    Niamey     0
## 4038 2004   37    Tahoua     9
## 4039 2004   37 Tillaberi     0
## 4040 2004   37    Zinder     9
## 4041 2004   38    Agadez     0
## 4042 2004   38     Diffa     0
## 4043 2004   38     Dosso    31
## 4044 2004   38    Maradi    11
## 4045 2004   38    Niamey     0
## 4046 2004   38    Tahoua     8
## 4047 2004   38 Tillaberi     3
## 4048 2004   38    Zinder     0
## 4049 2004   39    Agadez     3
## 4050 2004   39     Diffa     7
## 4051 2004   39     Dosso     8
## 4052 2004   39    Maradi     2
## 4053 2004   39    Niamey     2
## 4054 2004   39    Tahoua    18
## 4055 2004   39 Tillaberi     2
## 4056 2004   39    Zinder     5
## 4057 2004   40    Agadez     0
## 4058 2004   40     Diffa     1
## 4059 2004   40     Dosso    10
## 4060 2004   40    Maradi     3
## 4061 2004   40    Niamey     0
## 4062 2004   40    Tahoua    10
## 4063 2004   40 Tillaberi     0
## 4064 2004   40    Zinder     4
## 4065 2004   41    Agadez     0
## 4066 2004   41     Diffa     0
## 4067 2004   41     Dosso     7
## 4068 2004   41    Maradi     4
## 4069 2004   41    Niamey     0
## 4070 2004   41    Tahoua     7
## 4071 2004   41 Tillaberi     0
## 4072 2004   41    Zinder     3
## 4073 2004   42    Agadez     0
## 4074 2004   42     Diffa     1
## 4075 2004   42     Dosso    29
## 4076 2004   42    Maradi     5
## 4077 2004   42    Niamey     0
## 4078 2004   42    Tahoua    21
## 4079 2004   42 Tillaberi     5
## 4080 2004   42    Zinder     5
## 4081 2004   43    Agadez     0
## 4082 2004   43     Diffa     0
## 4083 2004   43     Dosso    29
## 4084 2004   43    Maradi    10
## 4085 2004   43    Niamey     0
## 4086 2004   43    Tahoua    22
## 4087 2004   43 Tillaberi     2
## 4088 2004   43    Zinder    21
## 4089 2004   44    Agadez     0
## 4090 2004   44     Diffa     0
## 4091 2004   44     Dosso    41
## 4092 2004   44    Maradi     8
## 4093 2004   44    Niamey     0
## 4094 2004   44    Tahoua     3
## 4095 2004   44 Tillaberi     2
## 4096 2004   44    Zinder    12
## 4097 2004   45    Agadez     0
## 4098 2004   45     Diffa     2
## 4099 2004   45     Dosso    12
## 4100 2004   45    Maradi    10
## 4101 2004   45    Niamey     0
## 4102 2004   45    Tahoua     9
## 4103 2004   45 Tillaberi     1
## 4104 2004   45    Zinder     5
## 4105 2004   46    Agadez     0
## 4106 2004   46     Diffa     0
## 4107 2004   46     Dosso     6
## 4108 2004   46    Maradi     4
## 4109 2004   46    Niamey     0
## 4110 2004   46    Tahoua     6
## 4111 2004   46 Tillaberi     0
## 4112 2004   46    Zinder     7
## 4113 2004   47    Agadez     0
## 4114 2004   47     Diffa     3
## 4115 2004   47     Dosso    13
## 4116 2004   47    Maradi     5
## 4117 2004   47    Niamey     3
## 4118 2004   47    Tahoua     9
## 4119 2004   47 Tillaberi     3
## 4120 2004   47    Zinder     0
## 4121 2004   48    Agadez     0
## 4122 2004   48     Diffa     1
## 4123 2004   48     Dosso    34
## 4124 2004   48    Maradi     6
## 4125 2004   48    Niamey     0
## 4126 2004   48    Tahoua    12
## 4127 2004   48 Tillaberi     0
## 4128 2004   48    Zinder    10
## 4129 2004   49    Agadez     0
## 4130 2004   49     Diffa     3
## 4131 2004   49     Dosso    26
## 4132 2004   49    Maradi     5
## 4133 2004   49    Niamey     0
## 4134 2004   49    Tahoua    18
## 4135 2004   49 Tillaberi     8
## 4136 2004   49    Zinder    17
## 4137 2004   50    Agadez     0
## 4138 2004   50     Diffa     0
## 4139 2004   50     Dosso    48
## 4140 2004   50    Maradi    12
## 4141 2004   50    Niamey     0
## 4142 2004   50    Tahoua     8
## 4143 2004   50 Tillaberi     0
## 4144 2004   50    Zinder    13
## 4145 2004   51    Agadez     0
## 4146 2004   51     Diffa     0
## 4147 2004   51     Dosso    30
## 4148 2004   51    Maradi    18
## 4149 2004   51    Niamey     0
## 4150 2004   51    Tahoua     7
## 4151 2004   51 Tillaberi     2
## 4152 2004   51    Zinder    11
## 4153 2004   52    Agadez     2
## 4154 2004   52     Diffa     6
## 4155 2004   52     Dosso    44
## 4156 2004   52    Maradi    13
## 4157 2004   52    Niamey     0
## 4158 2004   52    Tahoua    11
## 4159 2004   52 Tillaberi     1
## 4160 2004   52    Zinder    32
## 4161 2005    1    Agadez     1
## 4162 2005    1     Diffa     8
## 4163 2005    1     Dosso     8
## 4164 2005    1    Maradi    13
## 4165 2005    1    Niamey     1
## 4166 2005    1    Tahoua    12
## 4167 2005    1 Tillaberi     1
## 4168 2005    1    Zinder    29
## 4169 2005    2    Agadez     1
## 4170 2005    2     Diffa     4
## 4171 2005    2     Dosso     9
## 4172 2005    2    Maradi    27
## 4173 2005    2    Niamey     3
## 4174 2005    2    Tahoua     9
## 4175 2005    2 Tillaberi     1
## 4176 2005    2    Zinder    20
## 4177 2005    3    Agadez     0
## 4178 2005    3     Diffa     0
## 4179 2005    3     Dosso     3
## 4180 2005    3    Maradi     7
## 4181 2005    3    Niamey     0
## 4182 2005    3    Tahoua     5
## 4183 2005    3 Tillaberi     7
## 4184 2005    3    Zinder    19
## 4185 2005    4    Agadez     3
## 4186 2005    4     Diffa    20
## 4187 2005    4     Dosso     8
## 4188 2005    4    Maradi    14
## 4189 2005    4    Niamey     0
## 4190 2005    4    Tahoua    14
## 4191 2005    4 Tillaberi     5
## 4192 2005    4    Zinder    36
## 4193 2005    5    Agadez     1
## 4194 2005    5     Diffa    13
## 4195 2005    5     Dosso     6
## 4196 2005    5    Maradi    25
## 4197 2005    5    Niamey     0
## 4198 2005    5    Tahoua     7
## 4199 2005    5 Tillaberi     5
## 4200 2005    5    Zinder    35
## 4201 2005    6    Agadez     4
## 4202 2005    6     Diffa    43
## 4203 2005    6     Dosso     4
## 4204 2005    6    Maradi    18
## 4205 2005    6    Niamey     1
## 4206 2005    6    Tahoua     9
## 4207 2005    6 Tillaberi     3
## 4208 2005    6    Zinder    25
## 4209 2005    7    Agadez     2
## 4210 2005    7     Diffa    13
## 4211 2005    7     Dosso    11
## 4212 2005    7    Maradi    22
## 4213 2005    7    Niamey     1
## 4214 2005    7    Tahoua     7
## 4215 2005    7 Tillaberi     2
## 4216 2005    7    Zinder    22
## 4217 2005    8    Agadez     1
## 4218 2005    8     Diffa    18
## 4219 2005    8     Dosso     5
## 4220 2005    8    Maradi    12
## 4221 2005    8    Niamey     5
## 4222 2005    8    Tahoua    12
## 4223 2005    8 Tillaberi     1
## 4224 2005    8    Zinder    49
## 4225 2005    9    Agadez     1
## 4226 2005    9     Diffa    21
## 4227 2005    9     Dosso     9
## 4228 2005    9    Maradi    33
## 4229 2005    9    Niamey     4
## 4230 2005    9    Tahoua    13
## 4231 2005    9 Tillaberi     5
## 4232 2005    9    Zinder    82
## 4233 2005   10    Agadez     2
## 4234 2005   10     Diffa    11
## 4235 2005   10     Dosso     6
## 4236 2005   10    Maradi    49
## 4237 2005   10    Niamey     5
## 4238 2005   10    Tahoua    18
## 4239 2005   10 Tillaberi     1
## 4240 2005   10    Zinder    23
## 4241 2005   11    Agadez     2
## 4242 2005   11     Diffa    29
## 4243 2005   11     Dosso     6
## 4244 2005   11    Maradi    32
## 4245 2005   11    Niamey     0
## 4246 2005   11    Tahoua     8
## 4247 2005   11 Tillaberi     3
## 4248 2005   11    Zinder    28
## 4249 2005   12    Agadez     5
## 4250 2005   12     Diffa     9
## 4251 2005   12     Dosso     0
## 4252 2005   12    Maradi    26
## 4253 2005   12    Niamey     0
## 4254 2005   12    Tahoua     3
## 4255 2005   12 Tillaberi    13
## 4256 2005   12    Zinder    18
## 4257 2005   13    Agadez     3
## 4258 2005   13     Diffa     3
## 4259 2005   13     Dosso    12
## 4260 2005   13    Maradi    31
## 4261 2005   13    Niamey     2
## 4262 2005   13    Tahoua     9
## 4263 2005   13 Tillaberi     3
## 4264 2005   13    Zinder    34
## 4265 2005   14    Agadez     0
## 4266 2005   14     Diffa     4
## 4267 2005   14     Dosso     7
## 4268 2005   14    Maradi    16
## 4269 2005   14    Niamey     1
## 4270 2005   14    Tahoua    11
## 4271 2005   14 Tillaberi    10
## 4272 2005   14    Zinder    24
## 4273 2005   15    Agadez     5
## 4274 2005   15     Diffa     8
## 4275 2005   15     Dosso     9
## 4276 2005   15    Maradi    44
## 4277 2005   15    Niamey     1
## 4278 2005   15    Tahoua     2
## 4279 2005   15 Tillaberi     3
## 4280 2005   15    Zinder    33
## 4281 2005   16    Agadez     1
## 4282 2005   16     Diffa    13
## 4283 2005   16     Dosso     7
## 4284 2005   16    Maradi    19
## 4285 2005   16    Niamey     5
## 4286 2005   16    Tahoua     2
## 4287 2005   16 Tillaberi     8
## 4288 2005   16    Zinder    38
## 4289 2005   17    Agadez     2
## 4290 2005   17     Diffa    13
## 4291 2005   17     Dosso    22
## 4292 2005   17    Maradi    21
## 4293 2005   17    Niamey     5
## 4294 2005   17    Tahoua     9
## 4295 2005   17 Tillaberi     7
## 4296 2005   17    Zinder    37
## 4297 2005   18    Agadez     5
## 4298 2005   18     Diffa    10
## 4299 2005   18     Dosso    11
## 4300 2005   18    Maradi    20
## 4301 2005   18    Niamey     2
## 4302 2005   18    Tahoua     5
## 4303 2005   18 Tillaberi     2
## 4304 2005   18    Zinder    15
## 4305 2005   19    Agadez     1
## 4306 2005   19     Diffa    10
## 4307 2005   19     Dosso     9
## 4308 2005   19    Maradi    25
## 4309 2005   19    Niamey     2
## 4310 2005   19    Tahoua     1
## 4311 2005   19 Tillaberi     1
## 4312 2005   19    Zinder    42
## 4313 2005   20    Agadez     8
## 4314 2005   20     Diffa     8
## 4315 2005   20     Dosso     1
## 4316 2005   20    Maradi    14
## 4317 2005   20    Niamey     2
## 4318 2005   20    Tahoua     5
## 4319 2005   20 Tillaberi     2
## 4320 2005   20    Zinder     0
## 4321 2005   21    Agadez     0
## 4322 2005   21     Diffa    33
## 4323 2005   21     Dosso     3
## 4324 2005   21    Maradi    21
## 4325 2005   21    Niamey     2
## 4326 2005   21    Tahoua     4
## 4327 2005   21 Tillaberi     1
## 4328 2005   21    Zinder    26
## 4329 2005   22    Agadez     7
## 4330 2005   22     Diffa    22
## 4331 2005   22     Dosso     1
## 4332 2005   22    Maradi     2
## 4333 2005   22    Niamey     0
## 4334 2005   22    Tahoua     5
## 4335 2005   22 Tillaberi     4
## 4336 2005   22    Zinder    17
## 4337 2005   23    Agadez     4
## 4338 2005   23     Diffa     0
## 4339 2005   23     Dosso     1
## 4340 2005   23    Maradi     5
## 4341 2005   23    Niamey     1
## 4342 2005   23    Tahoua     1
## 4343 2005   23 Tillaberi     2
## 4344 2005   23    Zinder     1
## 4345 2005   24    Agadez     4
## 4346 2005   24     Diffa    11
## 4347 2005   24     Dosso     0
## 4348 2005   24    Maradi     0
## 4349 2005   24    Niamey     0
## 4350 2005   24    Tahoua     2
## 4351 2005   24 Tillaberi     2
## 4352 2005   24    Zinder     1
## 4353 2005   25    Agadez     3
## 4354 2005   25     Diffa    14
## 4355 2005   25     Dosso     1
## 4356 2005   25    Maradi     3
## 4357 2005   25    Niamey     0
## 4358 2005   25    Tahoua     1
## 4359 2005   25 Tillaberi     1
## 4360 2005   25    Zinder    16
## 4361 2005   26    Agadez     1
## 4362 2005   26     Diffa    16
## 4363 2005   26     Dosso     0
## 4364 2005   26    Maradi    10
## 4365 2005   26    Niamey     1
## 4366 2005   26    Tahoua     7
## 4367 2005   26 Tillaberi     1
## 4368 2005   26    Zinder    25
## 4369 2005   27    Agadez     2
## 4370 2005   27     Diffa     1
## 4371 2005   27     Dosso     0
## 4372 2005   27    Maradi     4
## 4373 2005   27    Niamey     0
## 4374 2005   27    Tahoua     0
## 4375 2005   27 Tillaberi     0
## 4376 2005   27    Zinder     8
## 4377 2005   28    Agadez     0
## 4378 2005   28     Diffa     5
## 4379 2005   28     Dosso     0
## 4380 2005   28    Maradi     1
## 4381 2005   28    Niamey     0
## 4382 2005   28    Tahoua     0
## 4383 2005   28 Tillaberi     0
## 4384 2005   28    Zinder     3
## 4385 2005   29    Agadez     7
## 4386 2005   29     Diffa     0
## 4387 2005   29     Dosso     0
## 4388 2005   29    Maradi     2
## 4389 2005   29    Niamey     0
## 4390 2005   29    Tahoua     0
## 4391 2005   29 Tillaberi     0
## 4392 2005   29    Zinder     0
## 4393 2005   30    Agadez     4
## 4394 2005   30     Diffa     0
## 4395 2005   30     Dosso     0
## 4396 2005   30    Maradi     0
## 4397 2005   30    Niamey     0
## 4398 2005   30    Tahoua     0
## 4399 2005   30 Tillaberi     0
## 4400 2005   30    Zinder     0
## 4401 2005   31    Agadez     5
## 4402 2005   31     Diffa     0
## 4403 2005   31     Dosso     0
## 4404 2005   31    Maradi     2
## 4405 2005   31    Niamey     0
## 4406 2005   31    Tahoua     0
## 4407 2005   31 Tillaberi     0
## 4408 2005   31    Zinder     0
## 4409 2005   32    Agadez     3
## 4410 2005   32     Diffa     0
## 4411 2005   32     Dosso     0
## 4412 2005   32    Maradi     1
## 4413 2005   32    Niamey     1
## 4414 2005   32    Tahoua     0
## 4415 2005   32 Tillaberi     0
## 4416 2005   32    Zinder     0
## 4417 2005   33    Agadez     0
## 4418 2005   33     Diffa     0
## 4419 2005   33     Dosso     0
## 4420 2005   33    Maradi     3
## 4421 2005   33    Niamey     0
## 4422 2005   33    Tahoua     0
## 4423 2005   33 Tillaberi     0
## 4424 2005   33    Zinder     0
## 4425 2005   34    Agadez     1
## 4426 2005   34     Diffa     0
## 4427 2005   34     Dosso     0
## 4428 2005   34    Maradi     1
## 4429 2005   34    Niamey     1
## 4430 2005   34    Tahoua     0
## 4431 2005   34 Tillaberi     0
## 4432 2005   34    Zinder     0
## 4433 2005   35    Agadez     0
## 4434 2005   35     Diffa     0
## 4435 2005   35     Dosso     0
## 4436 2005   35    Maradi     0
## 4437 2005   35    Niamey     0
## 4438 2005   35    Tahoua     0
## 4439 2005   35 Tillaberi     1
## 4440 2005   35    Zinder     0
## 4441 2005   36    Agadez     0
## 4442 2005   36     Diffa     0
## 4443 2005   36     Dosso     0
## 4444 2005   36    Maradi     0
## 4445 2005   36    Niamey     0
## 4446 2005   36    Tahoua     0
## 4447 2005   36 Tillaberi     0
## 4448 2005   36    Zinder     0
## 4449 2005   37    Agadez     0
## 4450 2005   37     Diffa     0
## 4451 2005   37     Dosso     0
## 4452 2005   37    Maradi     0
## 4453 2005   37    Niamey     1
## 4454 2005   37    Tahoua     0
## 4455 2005   37 Tillaberi     0
## 4456 2005   37    Zinder     0
## 4457 2005   38    Agadez     0
## 4458 2005   38     Diffa     0
## 4459 2005   38     Dosso     0
## 4460 2005   38    Maradi     0
## 4461 2005   38    Niamey     0
## 4462 2005   38    Tahoua     0
## 4463 2005   38 Tillaberi     0
## 4464 2005   38    Zinder     0
## 4465 2005   39    Agadez     0
## 4466 2005   39     Diffa     0
## 4467 2005   39     Dosso     2
## 4468 2005   39    Maradi     0
## 4469 2005   39    Niamey     0
## 4470 2005   39    Tahoua     0
## 4471 2005   39 Tillaberi     0
## 4472 2005   39    Zinder     0
## 4473 2005   40    Agadez     0
## 4474 2005   40     Diffa     0
## 4475 2005   40     Dosso     0
## 4476 2005   40    Maradi     1
## 4477 2005   40    Niamey     0
## 4478 2005   40    Tahoua     0
## 4479 2005   40 Tillaberi     0
## 4480 2005   40    Zinder     0
## 4481 2005   41    Agadez     0
## 4482 2005   41     Diffa     0
## 4483 2005   41     Dosso     1
## 4484 2005   41    Maradi     1
## 4485 2005   41    Niamey     0
## 4486 2005   41    Tahoua     0
## 4487 2005   41 Tillaberi     0
## 4488 2005   41    Zinder     0
## 4489 2005   42    Agadez     0
## 4490 2005   42     Diffa     0
## 4491 2005   42     Dosso     7
## 4492 2005   42    Maradi     0
## 4493 2005   42    Niamey     0
## 4494 2005   42    Tahoua     0
## 4495 2005   42 Tillaberi     0
## 4496 2005   42    Zinder     0
## 4497 2005   43    Agadez     0
## 4498 2005   43     Diffa     0
## 4499 2005   43     Dosso     0
## 4500 2005   43    Maradi     0
## 4501 2005   43    Niamey     0
## 4502 2005   43    Tahoua     2
## 4503 2005   43 Tillaberi     0
## 4504 2005   43    Zinder     0
## 4505 2005   44    Agadez     0
## 4506 2005   44     Diffa     0
## 4507 2005   44     Dosso     0
## 4508 2005   44    Maradi     0
## 4509 2005   44    Niamey     0
## 4510 2005   44    Tahoua     0
## 4511 2005   44 Tillaberi     0
## 4512 2005   44    Zinder     0
## 4513 2005   45    Agadez     0
## 4514 2005   45     Diffa     0
## 4515 2005   45     Dosso     0
## 4516 2005   45    Maradi     0
## 4517 2005   45    Niamey     0
## 4518 2005   45    Tahoua     0
## 4519 2005   45 Tillaberi     0
## 4520 2005   45    Zinder     0
## 4521 2005   46    Agadez     0
## 4522 2005   46     Diffa     0
## 4523 2005   46     Dosso     0
## 4524 2005   46    Maradi     0
## 4525 2005   46    Niamey     0
## 4526 2005   46    Tahoua     0
## 4527 2005   46 Tillaberi     0
## 4528 2005   46    Zinder     0
## 4529 2005   47    Agadez     0
## 4530 2005   47     Diffa     0
## 4531 2005   47     Dosso     0
## 4532 2005   47    Maradi     0
## 4533 2005   47    Niamey     0
## 4534 2005   47    Tahoua     0
## 4535 2005   47 Tillaberi     0
## 4536 2005   47    Zinder     0
## 4537 2005   48    Agadez     0
## 4538 2005   48     Diffa     0
## 4539 2005   48     Dosso     0
## 4540 2005   48    Maradi     0
## 4541 2005   48    Niamey     0
## 4542 2005   48    Tahoua     0
## 4543 2005   48 Tillaberi     0
## 4544 2005   48    Zinder     0
## 4545 2005   49    Agadez     0
## 4546 2005   49     Diffa     0
## 4547 2005   49     Dosso     2
## 4548 2005   49    Maradi     0
## 4549 2005   49    Niamey     0
## 4550 2005   49    Tahoua     0
## 4551 2005   49 Tillaberi     0
## 4552 2005   49    Zinder     1
## 4553 2005   50    Agadez     1
## 4554 2005   50     Diffa     0
## 4555 2005   50     Dosso     0
## 4556 2005   50    Maradi     1
## 4557 2005   50    Niamey     0
## 4558 2005   50    Tahoua     0
## 4559 2005   50 Tillaberi     0
## 4560 2005   50    Zinder     0
## 4561 2005   51    Agadez     0
## 4562 2005   51     Diffa     0
## 4563 2005   51     Dosso     0
## 4564 2005   51    Maradi     0
## 4565 2005   51    Niamey     0
## 4566 2005   51    Tahoua     0
## 4567 2005   51 Tillaberi     0
## 4568 2005   51    Zinder     0
## 4569 2005   52    Agadez     0
## 4570 2005   52     Diffa     0
## 4571 2005   52     Dosso     0
## 4572 2005   52    Maradi     0
## 4573 2005   52    Niamey     0
## 4574 2005   52    Tahoua     1
## 4575 2005   52 Tillaberi     0
## 4576 2005   52    Zinder     2

The nigerm data frame has 4 variables (or columns):

  1. year: Calendar year (ranges from 1995 to 2005)

  2. week: Week of the year (ranges from 1 to 52)

  3. region: Region in which the cases were reported

Administrative divisions of Niger: Districts and Regions
Administrative divisions of Niger: Districts and Regions
  1. cases: Number of measles cases reported

• Recent studies have analyzed this dataset to investigate annual patterns in measles incidence

Research articles that have used this dataset, and analyzed it in R!
Research articles that have used this dataset, and analyzed it in R!

• We can get summary statistics with the summary() function

summary(nigerm)
##       year           week           region         cases       
##  Min.   :1995   Min.   : 1.00   Agadez : 572   Min.   :   0.0  
##  1st Qu.:1997   1st Qu.:13.75   Diffa  : 572   1st Qu.:   1.0  
##  Median :2000   Median :26.50   Dosso  : 572   Median :  16.0  
##  Mean   :2000   Mean   :26.50   Maradi : 572   Mean   : 100.3  
##  3rd Qu.:2003   3rd Qu.:39.25   Niamey : 572   3rd Qu.:  86.0  
##  Max.   :2005   Max.   :52.00   Tahoua : 572   Max.   :1887.0  
##                                 (Other):1144

• Gives the maximum, minimum, and quartiles for numerical variables

• Summary statistics can be highly misleading

• Visualizing data is a much better way to analyze patterns

• We can do this in R with {ggplot2}

4 Fundamentals of data visualization with {ggplot2}

{ggplot2} is the core packages of the {tidyverse} metapackage.
{ggplot2} is the core packages of the {tidyverse} metapackage.

{ggplot2} is the most popular package for data visualization in R

• The code has a consistent structure for creating graphics

• It’s unique approach makes the learning curve steep

A tweet from Hadley Wickham, creator of {ggplot2} and {tidyverse}.
A tweet from Hadley Wickham, creator of {ggplot2} and {tidyverse}.

• Understanding the theoretical framework will make using {ggplot2} easier

• The gg in ggplot is short for “grammar of graphics”, which is the data visualization philosophy that {ggplot2} is based on.

4.1 The layered Grammar of Graphics

• The grammar of graphics (GG) deconstructs a graph into individual elements

• Similarly to linguistics grammar, the GG framework defines rules for constructing graphics by combining layers.

• GG layers have specific names that you will see throughout the course:

The grammar of graphics framework dissects a graph into individual components, which belong to these seven distinct layers. We take these different layers and combine them together to build a plot.
The grammar of graphics framework dissects a graph into individual components, which belong to these seven distinct layers. We take these different layers and combine them together to build a plot.

The three layers at the bottom of this figure - data, aesthetics, and geometries - are essential for building any plot.

Let’s define what they mean:

  1. data: the dataset containing the variables of interest.

  2. aesthetics: things we can see that visually display variables in our data.

  3. geometry: the geometric shapes used to represent data in a plot: points, lines, bars, etc.

We wrote data, geom, and aes in a computer code type font because we use these terms in R.

The terms and syntax used for ggplot functions, arguments, and layers can be hard to keep up with at first, but as you gain experience using these terms to make plots in R, you will become fluent in no time.

5 Working through the essential layers

• Our first plot with {ggplot2} will be a scatter plot to explore Niger measles dataset

• For simplification, we will use a subset of nigerm called nigerm96:

# Create nigerm96 data frame
nigerm96 <- nigerm %>%   
  filter(year == 1996)  %>% # filter to only 1996
  select(-year) # remove the year column

The select() and filter() functions are part of the {dplyr} package for data manipulation, which is part of the {tidyverse}. These topics are covered in the Data Wrangling course. See The GRAPH Courses website for more.

Take a look at nigerm96:

# Print nigerm96
nigerm96
##     week    region cases
## 1      1    Agadez   120
## 2      1     Diffa    75
## 3      1     Dosso    98
## 4      1    Maradi   123
## 5      1    Niamey     0
## 6      1    Tahoua   113
## 7      1 Tillaberi    42
## 8      1    Zinder    25
## 9      2    Agadez   120
## 10     2     Diffa    96
## 11     2     Dosso    96
## 12     2    Maradi   128
## 13     2    Niamey     0
## 14     2    Tahoua   102
## 15     2 Tillaberi   115
## 16     2    Zinder    66
## 17     3    Agadez   114
## 18     3     Diffa    46
## 19     3     Dosso    76
## 20     3    Maradi   139
## 21     3    Niamey     0
## 22     3    Tahoua   144
## 23     3 Tillaberi   118
## 24     3    Zinder    83
## 25     4    Agadez   111
## 26     4     Diffa    54
## 27     4     Dosso   126
## 28     4    Maradi   151
## 29     4    Niamey     0
## 30     4    Tahoua   108
## 31     4 Tillaberi    74
## 32     4    Zinder   115
## 33     5    Agadez   110
## 34     5     Diffa    70
## 35     5     Dosso   133
## 36     5    Maradi   256
## 37     5    Niamey    10
## 38     5    Tahoua   164
## 39     5 Tillaberi    99
## 40     5    Zinder   146
## 41     6    Agadez    89
## 42     6     Diffa    44
## 43     6     Dosso   132
## 44     6    Maradi   327
## 45     6    Niamey     8
## 46     6    Tahoua   282
## 47     6 Tillaberi     5
## 48     6    Zinder   294
## 49     7    Agadez    72
## 50     7     Diffa   175
## 51     7     Dosso   159
## 52     7    Maradi   349
## 53     7    Niamey     5
## 54     7    Tahoua   473
## 55     7 Tillaberi   157
## 56     7    Zinder   496
## 57     8    Agadez    72
## 58     8     Diffa   204
## 59     8     Dosso   180
## 60     8    Maradi   371
## 61     8    Niamey    10
## 62     8    Tahoua   436
## 63     8 Tillaberi   172
## 64     8    Zinder   446
## 65     9    Agadez    54
## 66     9     Diffa   225
## 67     9     Dosso   106
## 68     9    Maradi   402
## 69     9    Niamey     9
## 70     9    Tahoua   590
## 71     9 Tillaberi   102
## 72     9    Zinder   714
## 73    10    Agadez    51
## 74    10     Diffa   250
## 75    10     Dosso    99
## 76    10    Maradi   411
## 77    10    Niamey     5
## 78    10    Tahoua   629
## 79    10 Tillaberi   339
## 80    10    Zinder   632
## 81    11    Agadez    68
## 82    11     Diffa   277
## 83    11     Dosso   115
## 84    11    Maradi   726
## 85    11    Niamey    26
## 86    11    Tahoua   636
## 87    11 Tillaberi   208
## 88    11    Zinder   929
## 89    12    Agadez    49
## 90    12     Diffa   242
## 91    12     Dosso   193
## 92    12    Maradi   686
## 93    12    Niamey     8
## 94    12    Tahoua   716
## 95    12 Tillaberi   135
## 96    12    Zinder  1147
## 97    13    Agadez    45
## 98    13     Diffa   145
## 99    13     Dosso    90
## 100   13    Maradi   650
## 101   13    Niamey    18
## 102   13    Tahoua   587
## 103   13 Tillaberi   209
## 104   13    Zinder  1493
## 105   14    Agadez    24
## 106   14     Diffa   154
## 107   14     Dosso   126
## 108   14    Maradi   907
## 109   14    Niamey     0
## 110   14    Tahoua   494
## 111   14 Tillaberi   269
## 112   14    Zinder  1599
## 113   15    Agadez    51
## 114   15     Diffa   153
## 115   15     Dosso   110
## 116   15    Maradi   891
## 117   15    Niamey    19
## 118   15    Tahoua   591
## 119   15 Tillaberi   167
## 120   15    Zinder  1462
## 121   16    Agadez    28
## 122   16     Diffa   105
## 123   16     Dosso   129
## 124   16    Maradi   936
## 125   16    Niamey    34
## 126   16    Tahoua   692
## 127   16 Tillaberi   101
## 128   16    Zinder  1778
## 129   17    Agadez    31
## 130   17     Diffa   130
## 131   17     Dosso   125
## 132   17    Maradi   843
## 133   17    Niamey    28
## 134   17    Tahoua   634
## 135   17 Tillaberi   171
## 136   17    Zinder  1836
## 137   18    Agadez    17
## 138   18     Diffa    73
## 139   18     Dosso   134
## 140   18    Maradi   913
## 141   18    Niamey    26
## 142   18    Tahoua   514
## 143   18 Tillaberi   245
## 144   18    Zinder  1801
## 145   19    Agadez    21
## 146   19     Diffa    84
## 147   19     Dosso   122
## 148   19    Maradi   909
## 149   19    Niamey    27
## 150   19    Tahoua   569
## 151   19 Tillaberi    92
## 152   19    Zinder  1742
## 153   20    Agadez    39
## 154   20     Diffa    69
## 155   20     Dosso    72
## 156   20    Maradi  1089
## 157   20    Niamey    26
## 158   20    Tahoua   529
## 159   20 Tillaberi    84
## 160   20    Zinder  1887
## 161   21    Agadez     8
## 162   21     Diffa    73
## 163   21     Dosso    85
## 164   21    Maradi   932
## 165   21    Niamey    17
## 166   21    Tahoua   324
## 167   21 Tillaberi   113
## 168   21    Zinder  1666
## 169   22    Agadez    19
## 170   22     Diffa    58
## 171   22     Dosso   119
## 172   22    Maradi   959
## 173   22    Niamey    12
## 174   22    Tahoua   430
## 175   22 Tillaberi    82
## 176   22    Zinder  1512
## 177   23    Agadez     5
## 178   23     Diffa    24
## 179   23     Dosso    46
## 180   23    Maradi   777
## 181   23    Niamey     4
## 182   23    Tahoua   354
## 183   23 Tillaberi    63
## 184   23    Zinder  1028
## 185   24    Agadez     2
## 186   24     Diffa    32
## 187   24     Dosso    32
## 188   24    Maradi   574
## 189   24    Niamey     1
## 190   24    Tahoua   274
## 191   24 Tillaberi    80
## 192   24    Zinder   910
## 193   25    Agadez     0
## 194   25     Diffa    27
## 195   25     Dosso    26
## 196   25    Maradi   475
## 197   25    Niamey     7
## 198   25    Tahoua   175
## 199   25 Tillaberi    73
## 200   25    Zinder   697
## 201   26    Agadez     0
## 202   26     Diffa     8
## 203   26     Dosso    11
## 204   26    Maradi   389
## 205   26    Niamey     3
## 206   26    Tahoua   165
## 207   26 Tillaberi    32
## 208   26    Zinder   454
## 209   27    Agadez    12
## 210   27     Diffa    21
## 211   27     Dosso    35
## 212   27    Maradi   248
## 213   27    Niamey     2
## 214   27    Tahoua   132
## 215   27 Tillaberi    41
## 216   27    Zinder   310
## 217   28    Agadez     0
## 218   28     Diffa    10
## 219   28     Dosso    16
## 220   28    Maradi   235
## 221   28    Niamey     2
## 222   28    Tahoua   126
## 223   28 Tillaberi    54
## 224   28    Zinder   242
## 225   29    Agadez     0
## 226   29     Diffa     9
## 227   29     Dosso    27
## 228   29    Maradi   237
## 229   29    Niamey     3
## 230   29    Tahoua   107
## 231   29 Tillaberi    25
## 232   29    Zinder   199
## 233   30    Agadez     0
## 234   30     Diffa    11
## 235   30     Dosso    21
## 236   30    Maradi   139
## 237   30    Niamey     0
## 238   30    Tahoua    50
## 239   30 Tillaberi    12
## 240   30    Zinder   116
## 241   31    Agadez     0
## 242   31     Diffa     4
## 243   31     Dosso     7
## 244   31    Maradi   114
## 245   31    Niamey     0
## 246   31    Tahoua    88
## 247   31 Tillaberi    19
## 248   31    Zinder    94
## 249   32    Agadez     6
## 250   32     Diffa     3
## 251   32     Dosso     3
## 252   32    Maradi    96
## 253   32    Niamey     0
## 254   32    Tahoua    57
## 255   32 Tillaberi    23
## 256   32    Zinder    91
## 257   33    Agadez     0
## 258   33     Diffa     0
## 259   33     Dosso    11
## 260   33    Maradi    87
## 261   33    Niamey     0
## 262   33    Tahoua    34
## 263   33 Tillaberi     9
## 264   33    Zinder   102
## 265   34    Agadez     0
## 266   34     Diffa     2
## 267   34     Dosso     0
## 268   34    Maradi    81
## 269   34    Niamey     0
## 270   34    Tahoua    24
## 271   34 Tillaberi    12
## 272   34    Zinder   110
## 273   35    Agadez     1
## 274   35     Diffa     1
## 275   35     Dosso     4
## 276   35    Maradi   102
## 277   35    Niamey     0
## 278   35    Tahoua    22
## 279   35 Tillaberi     9
## 280   35    Zinder    56
## 281   36    Agadez     0
## 282   36     Diffa     3
## 283   36     Dosso     2
## 284   36    Maradi    56
## 285   36    Niamey     0
## 286   36    Tahoua    25
## 287   36 Tillaberi    18
## 288   36    Zinder    52
## 289   37    Agadez     0
## 290   37     Diffa     0
## 291   37     Dosso     4
## 292   37    Maradi    65
## 293   37    Niamey     8
## 294   37    Tahoua    21
## 295   37 Tillaberi     7
## 296   37    Zinder    45
## 297   38    Agadez     0
## 298   38     Diffa     0
## 299   38     Dosso     1
## 300   38    Maradi    69
## 301   38    Niamey     0
## 302   38    Tahoua     7
## 303   38 Tillaberi     1
## 304   38    Zinder    28
## 305   39    Agadez     0
## 306   39     Diffa     0
## 307   39     Dosso     0
## 308   39    Maradi   100
## 309   39    Niamey     0
## 310   39    Tahoua    14
## 311   39 Tillaberi     6
## 312   39    Zinder    21
## 313   40    Agadez     0
## 314   40     Diffa     0
## 315   40     Dosso     5
## 316   40    Maradi    78
## 317   40    Niamey     0
## 318   40    Tahoua    26
## 319   40 Tillaberi     4
## 320   40    Zinder    15
## 321   41    Agadez     0
## 322   41     Diffa     0
## 323   41     Dosso     1
## 324   41    Maradi   133
## 325   41    Niamey     2
## 326   41    Tahoua    30
## 327   41 Tillaberi    11
## 328   41    Zinder    17
## 329   42    Agadez     0
## 330   42     Diffa     1
## 331   42     Dosso     0
## 332   42    Maradi   165
## 333   42    Niamey     1
## 334   42    Tahoua    26
## 335   42 Tillaberi    13
## 336   42    Zinder    19
## 337   43    Agadez     2
## 338   43     Diffa     0
## 339   43     Dosso     0
## 340   43    Maradi   136
## 341   43    Niamey     0
## 342   43    Tahoua    19
## 343   43 Tillaberi     1
## 344   43    Zinder    20
## 345   44    Agadez     0
## 346   44     Diffa     0
## 347   44     Dosso     0
## 348   44    Maradi   101
## 349   44    Niamey     0
## 350   44    Tahoua     7
## 351   44 Tillaberi     4
## 352   44    Zinder    32
## 353   45    Agadez     0
## 354   45     Diffa     0
## 355   45     Dosso     2
## 356   45    Maradi   102
## 357   45    Niamey     0
## 358   45    Tahoua    13
## 359   45 Tillaberi     0
## 360   45    Zinder    26
## 361   46    Agadez     0
## 362   46     Diffa     0
## 363   46     Dosso     0
## 364   46    Maradi   128
## 365   46    Niamey     0
## 366   46    Tahoua     9
## 367   46 Tillaberi     2
## 368   46    Zinder    19
## 369   47    Agadez     0
## 370   47     Diffa     0
## 371   47     Dosso     0
## 372   47    Maradi   137
## 373   47    Niamey     1
## 374   47    Tahoua     6
## 375   47 Tillaberi     0
## 376   47    Zinder    46
## 377   48    Agadez     0
## 378   48     Diffa     0
## 379   48     Dosso     0
## 380   48    Maradi   156
## 381   48    Niamey     0
## 382   48    Tahoua     9
## 383   48 Tillaberi     1
## 384   48    Zinder    37
## 385   49    Agadez     0
## 386   49     Diffa     0
## 387   49     Dosso     0
## 388   49    Maradi   185
## 389   49    Niamey     0
## 390   49    Tahoua    49
## 391   49 Tillaberi     0
## 392   49    Zinder    62
## 393   50    Agadez     1
## 394   50     Diffa     0
## 395   50     Dosso    12
## 396   50    Maradi   181
## 397   50    Niamey     0
## 398   50    Tahoua   134
## 399   50 Tillaberi     0
## 400   50    Zinder    56
## 401   51    Agadez     0
## 402   51     Diffa     0
## 403   51     Dosso    10
## 404   51    Maradi   201
## 405   51    Niamey     0
## 406   51    Tahoua    91
## 407   51 Tillaberi     0
## 408   51    Zinder   102
## 409   52    Agadez     0
## 410   52     Diffa     0
## 411   52     Dosso     0
## 412   52    Maradi   207
## 413   52    Niamey     0
## 414   52    Tahoua    20
## 415   52 Tillaberi     0
## 416   52    Zinder   120

We will use incremental composition: adding elements to a plot incrementally.

5.1 Building a ggplot() in three steps

Step 0: Initialize the plot

# Call the `ggplot()` function
ggplot()

• Results a blank canvas

• Next we add the essential elements

Step 1: Provide data

Supply the data frame to ggplot() with the data argument.

# Provide data frame with `data = DF_NAME`
ggplot(data = nigerm96) 

• The plot is still blank

• Next we need to add aesthetic mappings

Step 2: Define the variables

• We can look at disease incidence over time by plotting cases against week

• The variable mappings go in an aesthetics layer

**ggplot code is easier to read if each line represents a new element. This means that as you add each layer, you should start a new line.

Tell ggplot() which x and y-axis variables to to plot my adding a mapping argument with an aes() function.

# Define variables with `mapping = aes(x = VAR1, y = VAR2)`:
ggplot(data = nigerm96)

• Axes have scales, titles, and labels

• Next we add the geometry layer

Step 3: Specify which type of plot to create

• Add the geom_point() function to a new layer after a + sign:

# Specify plot type with `+ geom_point()` for scatter plot
ggplot(data = nigerm96, 
       mapping = aes(x = week,
                     y = cases))+ geom_point()

Now we have a complete plot!

• There are 8 points per week, representing each of the 8 regions

• We can’t tell which point is from which region (yet)

• We will soon add color to distinguish between them like this:

[INSERT SCATTER-LINE PLOT FROM VIDEO]

Time for you to practice plotting in R!

For practice, you will use a new subset of nigerm called nigerm04:

# Create nigerm04 data frame
nigerm04 <- nigerm %>%
  filter(year == 2004)  %>% 
  select(-year) 

# Print nigerm04
nigerm04
##     week    region cases
## 1      1    Agadez    11
## 2      1     Diffa     0
## 3      1     Dosso     7
## 4      1    Maradi   134
## 5      1    Niamey    60
## 6      1    Tahoua   333
## 7      1 Tillaberi   124
## 8      1    Zinder   141
## 9      2    Agadez    12
## 10     2     Diffa     1
## 11     2     Dosso    30
## 12     2    Maradi   236
## 13     2    Niamey    62
## 14     2    Tahoua   319
## 15     2 Tillaberi   123
## 16     2    Zinder    63
## 17     3    Agadez    17
## 18     3     Diffa     3
## 19     3     Dosso    49
## 20     3    Maradi   191
## 21     3    Niamey    81
## 22     3    Tahoua   332
## 23     3 Tillaberi    47
## 24     3    Zinder   108
## 25     4    Agadez    12
## 26     4     Diffa     4
## 27     4     Dosso    97
## 28     4    Maradi   190
## 29     4    Niamey    99
## 30     4    Tahoua   438
## 31     4 Tillaberi   121
## 32     4    Zinder   123
## 33     5    Agadez    16
## 34     5     Diffa     5
## 35     5     Dosso   111
## 36     5    Maradi   176
## 37     5    Niamey   115
## 38     5    Tahoua   435
## 39     5 Tillaberi   206
## 40     5    Zinder   110
## 41     6    Agadez    18
## 42     6     Diffa     0
## 43     6     Dosso   141
## 44     6    Maradi   243
## 45     6    Niamey   209
## 46     6    Tahoua   579
## 47     6 Tillaberi   291
## 48     6    Zinder   127
## 49     7    Agadez    17
## 50     7     Diffa    34
## 51     7     Dosso   147
## 52     7    Maradi   251
## 53     7    Niamey   211
## 54     7    Tahoua   818
## 55     7 Tillaberi   364
## 56     7    Zinder   144
## 57     8    Agadez    29
## 58     8     Diffa    16
## 59     8     Dosso   209
## 60     8    Maradi   270
## 61     8    Niamey   394
## 62     8    Tahoua   608
## 63     8 Tillaberi   414
## 64     8    Zinder   115
## 65     9    Agadez    23
## 66     9     Diffa    53
## 67     9     Dosso   262
## 68     9    Maradi   244
## 69     9    Niamey   378
## 70     9    Tahoua   704
## 71     9 Tillaberi   595
## 72     9    Zinder   151
## 73    10    Agadez    25
## 74    10     Diffa    38
## 75    10     Dosso   266
## 76    10    Maradi   240
## 77    10    Niamey   849
## 78    10    Tahoua   638
## 79    10 Tillaberi   619
## 80    10    Zinder   124
## 81    11    Agadez    43
## 82    11     Diffa    71
## 83    11     Dosso   374
## 84    11    Maradi   350
## 85    11    Niamey  1131
## 86    11    Tahoua   795
## 87    11 Tillaberi   965
## 88    11    Zinder   183
## 89    12    Agadez    26
## 90    12     Diffa    83
## 91    12     Dosso   444
## 92    12    Maradi   278
## 93    12    Niamey  1076
## 94    12    Tahoua  1005
## 95    12 Tillaberi   795
## 96    12    Zinder   148
## 97    13    Agadez    62
## 98    13     Diffa    56
## 99    13     Dosso   484
## 100   13    Maradi   409
## 101   13    Niamey  1138
## 102   13    Tahoua  1034
## 103   13 Tillaberi   860
## 104   13    Zinder   180
## 105   14    Agadez    44
## 106   14     Diffa    59
## 107   14     Dosso   486
## 108   14    Maradi   299
## 109   14    Niamey   823
## 110   14    Tahoua  1089
## 111   14 Tillaberi   772
## 112   14    Zinder   125
## 113   15    Agadez    46
## 114   15     Diffa    79
## 115   15     Dosso   570
## 116   15    Maradi   441
## 117   15    Niamey  1514
## 118   15    Tahoua  1063
## 119   15 Tillaberi  1118
## 120   15    Zinder   182
## 121   16    Agadez    58
## 122   16     Diffa    90
## 123   16     Dosso   591
## 124   16    Maradi   493
## 125   16    Niamey   896
## 126   16    Tahoua   886
## 127   16 Tillaberi  1251
## 128   16    Zinder   142
## 129   17    Agadez    50
## 130   17     Diffa    36
## 131   17     Dosso   558
## 132   17    Maradi   451
## 133   17    Niamey  1036
## 134   17    Tahoua  1177
## 135   17 Tillaberi  1021
## 136   17    Zinder   212
## 137   18    Agadez    36
## 138   18     Diffa    43
## 139   18     Dosso   386
## 140   18    Maradi   503
## 141   18    Niamey   498
## 142   18    Tahoua   981
## 143   18 Tillaberi   852
## 144   18    Zinder   221
## 145   19    Agadez    33
## 146   19     Diffa    43
## 147   19     Dosso   392
## 148   19    Maradi   454
## 149   19    Niamey   287
## 150   19    Tahoua  1010
## 151   19 Tillaberi   589
## 152   19    Zinder   293
## 153   20    Agadez    27
## 154   20     Diffa    47
## 155   20     Dosso   238
## 156   20    Maradi   481
## 157   20    Niamey   208
## 158   20    Tahoua   691
## 159   20 Tillaberi   360
## 160   20    Zinder   309
## 161   21    Agadez    20
## 162   21     Diffa   112
## 163   21     Dosso   158
## 164   21    Maradi   412
## 165   21    Niamey   108
## 166   21    Tahoua   499
## 167   21 Tillaberi   427
## 168   21    Zinder   453
## 169   22    Agadez    15
## 170   22     Diffa    41
## 171   22     Dosso   190
## 172   22    Maradi   424
## 173   22    Niamey    32
## 174   22    Tahoua   455
## 175   22 Tillaberi   288
## 176   22    Zinder   279
## 177   23    Agadez    26
## 178   23     Diffa    16
## 179   23     Dosso   138
## 180   23    Maradi   385
## 181   23    Niamey    24
## 182   23    Tahoua   420
## 183   23 Tillaberi   199
## 184   23    Zinder   164
## 185   24    Agadez    11
## 186   24     Diffa    91
## 187   24     Dosso   142
## 188   24    Maradi   316
## 189   24    Niamey    24
## 190   24    Tahoua   249
## 191   24 Tillaberi   145
## 192   24    Zinder   176
## 193   25    Agadez    30
## 194   25     Diffa    12
## 195   25     Dosso    96
## 196   25    Maradi   247
## 197   25    Niamey    12
## 198   25    Tahoua   291
## 199   25 Tillaberi   133
## 200   25    Zinder   105
## 201   26    Agadez    15
## 202   26     Diffa    26
## 203   26     Dosso    89
## 204   26    Maradi   179
## 205   26    Niamey     6
## 206   26    Tahoua   203
## 207   26 Tillaberi   110
## 208   26    Zinder   103
## 209   27    Agadez    17
## 210   27     Diffa     5
## 211   27     Dosso    31
## 212   27    Maradi   108
## 213   27    Niamey     3
## 214   27    Tahoua   130
## 215   27 Tillaberi    69
## 216   27    Zinder    80
## 217   28    Agadez     8
## 218   28     Diffa    10
## 219   28     Dosso    43
## 220   28    Maradi    63
## 221   28    Niamey     2
## 222   28    Tahoua   104
## 223   28 Tillaberi    62
## 224   28    Zinder    84
## 225   29    Agadez    11
## 226   29     Diffa    16
## 227   29     Dosso    24
## 228   29    Maradi    54
## 229   29    Niamey     2
## 230   29    Tahoua   128
## 231   29 Tillaberi    40
## 232   29    Zinder    64
## 233   30    Agadez    13
## 234   30     Diffa     2
## 235   30     Dosso    24
## 236   30    Maradi    47
## 237   30    Niamey     2
## 238   30    Tahoua    52
## 239   30 Tillaberi    34
## 240   30    Zinder    25
## 241   31    Agadez    10
## 242   31     Diffa     4
## 243   31     Dosso    10
## 244   31    Maradi    33
## 245   31    Niamey     2
## 246   31    Tahoua    41
## 247   31 Tillaberi    32
## 248   31    Zinder    19
## 249   32    Agadez    11
## 250   32     Diffa     7
## 251   32     Dosso    17
## 252   32    Maradi    23
## 253   32    Niamey     2
## 254   32    Tahoua    31
## 255   32 Tillaberi    38
## 256   32    Zinder    12
## 257   33    Agadez    11
## 258   33     Diffa    11
## 259   33     Dosso    13
## 260   33    Maradi    34
## 261   33    Niamey     0
## 262   33    Tahoua    23
## 263   33 Tillaberi    23
## 264   33    Zinder    16
## 265   34    Agadez     6
## 266   34     Diffa     0
## 267   34     Dosso    11
## 268   34    Maradi    13
## 269   34    Niamey     0
## 270   34    Tahoua     2
## 271   34 Tillaberi     9
## 272   34    Zinder     7
## 273   35    Agadez     6
## 274   35     Diffa     2
## 275   35     Dosso     9
## 276   35    Maradi     7
## 277   35    Niamey     0
## 278   35    Tahoua    12
## 279   35 Tillaberi     7
## 280   35    Zinder     8
## 281   36    Agadez     3
## 282   36     Diffa     1
## 283   36     Dosso    11
## 284   36    Maradi    10
## 285   36    Niamey     0
## 286   36    Tahoua    19
## 287   36 Tillaberi     2
## 288   36    Zinder     3
## 289   37    Agadez     2
## 290   37     Diffa     1
## 291   37     Dosso     8
## 292   37    Maradi     7
## 293   37    Niamey     0
## 294   37    Tahoua     9
## 295   37 Tillaberi     0
## 296   37    Zinder     9
## 297   38    Agadez     0
## 298   38     Diffa     0
## 299   38     Dosso    31
## 300   38    Maradi    11
## 301   38    Niamey     0
## 302   38    Tahoua     8
## 303   38 Tillaberi     3
## 304   38    Zinder     0
## 305   39    Agadez     3
## 306   39     Diffa     7
## 307   39     Dosso     8
## 308   39    Maradi     2
## 309   39    Niamey     2
## 310   39    Tahoua    18
## 311   39 Tillaberi     2
## 312   39    Zinder     5
## 313   40    Agadez     0
## 314   40     Diffa     1
## 315   40     Dosso    10
## 316   40    Maradi     3
## 317   40    Niamey     0
## 318   40    Tahoua    10
## 319   40 Tillaberi     0
## 320   40    Zinder     4
## 321   41    Agadez     0
## 322   41     Diffa     0
## 323   41     Dosso     7
## 324   41    Maradi     4
## 325   41    Niamey     0
## 326   41    Tahoua     7
## 327   41 Tillaberi     0
## 328   41    Zinder     3
## 329   42    Agadez     0
## 330   42     Diffa     1
## 331   42     Dosso    29
## 332   42    Maradi     5
## 333   42    Niamey     0
## 334   42    Tahoua    21
## 335   42 Tillaberi     5
## 336   42    Zinder     5
## 337   43    Agadez     0
## 338   43     Diffa     0
## 339   43     Dosso    29
## 340   43    Maradi    10
## 341   43    Niamey     0
## 342   43    Tahoua    22
## 343   43 Tillaberi     2
## 344   43    Zinder    21
## 345   44    Agadez     0
## 346   44     Diffa     0
## 347   44     Dosso    41
## 348   44    Maradi     8
## 349   44    Niamey     0
## 350   44    Tahoua     3
## 351   44 Tillaberi     2
## 352   44    Zinder    12
## 353   45    Agadez     0
## 354   45     Diffa     2
## 355   45     Dosso    12
## 356   45    Maradi    10
## 357   45    Niamey     0
## 358   45    Tahoua     9
## 359   45 Tillaberi     1
## 360   45    Zinder     5
## 361   46    Agadez     0
## 362   46     Diffa     0
## 363   46     Dosso     6
## 364   46    Maradi     4
## 365   46    Niamey     0
## 366   46    Tahoua     6
## 367   46 Tillaberi     0
## 368   46    Zinder     7
## 369   47    Agadez     0
## 370   47     Diffa     3
## 371   47     Dosso    13
## 372   47    Maradi     5
## 373   47    Niamey     3
## 374   47    Tahoua     9
## 375   47 Tillaberi     3
## 376   47    Zinder     0
## 377   48    Agadez     0
## 378   48     Diffa     1
## 379   48     Dosso    34
## 380   48    Maradi     6
## 381   48    Niamey     0
## 382   48    Tahoua    12
## 383   48 Tillaberi     0
## 384   48    Zinder    10
## 385   49    Agadez     0
## 386   49     Diffa     3
## 387   49     Dosso    26
## 388   49    Maradi     5
## 389   49    Niamey     0
## 390   49    Tahoua    18
## 391   49 Tillaberi     8
## 392   49    Zinder    17
## 393   50    Agadez     0
## 394   50     Diffa     0
## 395   50     Dosso    48
## 396   50    Maradi    12
## 397   50    Niamey     0
## 398   50    Tahoua     8
## 399   50 Tillaberi     0
## 400   50    Zinder    13
## 401   51    Agadez     0
## 402   51     Diffa     0
## 403   51     Dosso    30
## 404   51    Maradi    18
## 405   51    Niamey     0
## 406   51    Tahoua     7
## 407   51 Tillaberi     2
## 408   51    Zinder    11
## 409   52    Agadez     2
## 410   52     Diffa     6
## 411   52     Dosso    44
## 412   52    Maradi    13
## 413   52    Niamey     0
## 414   52    Tahoua    11
## 415   52 Tillaberi     1
## 416   52    Zinder    32

Using the nigerm04 data frame, write ggplot code that will create a scatter plot displaying the relationship between cases on the y-axis and week on the x-axis.

# Write code to create your plot:
ggplot(data = nigerm04, mapping = aes(x=week, y=cases)) + geom_point()

# When you think you have the right answer, submit it by replacing "YOUR ANSWER HERE" with your code, and run those lines.

nigerm04_scatter <- ggplot(data = nigerm04, mapping = aes(x=week, y=cases)) + geom_point()

# Make sure that "nigerm04_scatter" appears in your Environment tab.
# Check your answer by running this check function (no inputs required). The output will tell you if you answered correctly or not.

.CHECK_nigerm04_scatter()
## Correct! You are superb!
##  <U+1405>1<U+140A>  2   3   4
# You can ask for a hint by running this hint function (no inputs required).

.HINT_nigerm04_scatter()
## First, identify which data frame to supply to the data layer.
##   Then put the variables you want to map on your x and your y axis inside `mapping = aes()`. 
##   Then, think about which geometry function you need for a scatter plot.
##   If all these are correct, look for typos, missing commas, or unclosed brackets.
# Get the full solution by typing out the solution function:

6 Modifying the layers

• GG framework allows for a high degree of customization

• We modify existing code to create variations of a plot

The data, aesthetics, and geometry inputs can be easily tweaked

• We will make incremental changes to modify the original scatter plot

6.1 Changing aesthetic mappings

We created a scatter plot of cases vs week for nigerm96 with this code:

ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases)) +
  geom_point()

• If we replace week with region, we will get a strip plot:

# Change x-axis mapping 
ggplot(data = nigerm96, 
       mapping = aes(x = region, 
                     y = cases)) +
  geom_point()

• y-axis values are the same

• x-axis mappings have changed significantly

• points are mapped to 8 positions which correspond to each of the 8 regions

6.2 Changing geom_* functions

• Modifying the geometry layer creates a different type of plot

{ggplot2} has a variety of different geom_* functions and geometric objects which you can use to visualize your data. Here are some examples of different types of geoms that can be used with ggplot().
{ggplot2} has a variety of different geom_*() functions and geometric objects which you can use to visualize your data. Here are some examples of different types of geometric objects that can be used to make plots with ggplot().

If we change the geom_* function of the original scatter plot from geom_point() to geom_col(), we get a bar plot:

# Declare that we want a bar plot

ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases)) +
  geom_col()

• We only changed the the geom_* function but data is presented in a completely different way

Not all plot types are interchangeable. Using a geom_* function that is not compatible with the variables you defined in aes() will give you an error. For example, let’s replace geom_point() with geom_histogram() instead:

ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases)) +
  geom_histogram()
## Error in `geom_histogram()`:
## ! Problem while computing stat.
## i Error occurred in the 1st layer.
## Caused by error in `setup_params()`:
## ! `stat_bin()` must only have an x or y aesthetic.

This is because a histogram shows the distribution of one numerical variable. ggplot() can’t map two variables to both the x and y-axis positions with a histogram, so it throws an error.

• Use the nigerm04 data frame to create a bar plot of weekly cases with the geom_col() function.

• Map cases on the y-axis and week on the x-axis.

# Write code to create your plot:
ggplot(data = nigerm04, mapping = aes(x=week, y=cases))+ geom_col()

# Submit your answer:
nigerm04_bar <- ggplot(data = nigerm04, mapping = aes(x=week, y=cases))+ geom_col()

# Ask for a hint:
.HINT_nigerm04_bar()
## First, identify which data frame to supply to the data layer.
##   Then put the variables you want to map on your x and your y axis inside `mapping = aes()`. 
##   Then, think about which geometry function you need for this bar plot (same as what we used earlier in this lesson).
##   If all these are correct, look for typos, missing commas, or unclosed brackets.
# Check your answer:
.CHECK_nigerm04_bar()
## Correct! You are fine!
##   1  <U+1405>2<U+140A>  3   4

6.3 Additional aesthetic mappings inside aes()

aes() stands for aesthetics - things we can see

Common aesthetic attributes used in ggplot graphics.
Common aesthetic attributes used in ggplot graphics.

• We have been using to only the x and y position aesthetics

Let’s return to our original scatter plot (cases vs week) once more:

ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases)) +
  geom_point()

• There are other aesthetics we can add, like color or fill

To see the full list of aesthetics that can be used with a particular geom_* function you press F1 on a function, e.g., geom_point(), or run ?geom_point in your Console tab.

Let’s add color to our scatter plot.

• Map region to the color aesthetic

• Add a new argument inside mapping = aes()

• Put color = region inside aes():

# Use a different color for each region 
ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases, color=region)) +
  geom_point()

• Each point is colored according to region

ggplot() automatically created a color legend

The colors are from {ggplot2}’s default rainbow color palette. In later lessons we will learn how to customize color scales and palettes.

Observations

Bell-shaped curves show the rise and fall of epidemics in each region

• The regions Zinder, Maradi, and Niamey were affected the most

• The colorful plot provides more insight than the original scatter plot graph, but the patterns could be more clear

• Different plot types could improve readability, such as bar plots or line graphs

Let’s try the same color = region aesthetic mapping with geom_col() instead:

# Bar plot with different outline color for each region
ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases,
                     color = region)) +
  geom_col()

• The color aesthetic changes only the border around a shape

Let’s fill the inside of the bars instead.

• Map region to the fill aesthetic instead of color

# Use a different fill color for each region:
ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases,
                     fill = region)) +
  geom_col()

• The inside of the bars are now filled with colors.

• Use the nigerm04 data frame to create a line graph of weekly cases, colored by region.

• Map cases on the y-axis, week on the x-axis, and region to color. The geom_* function for a line graph is called geom_line().

# Write code to create your plot:
ggplot(data = nigerm04, mapping = aes(x=week, y=cases, color=region))+ geom_line()

# Submit your answer:
nigerm04_line <- ggplot(data = nigerm04, mapping = aes(x=week, y=cases, color=region))+ geom_line()

# Ask for a hint:
.HINT_nigerm04_line()
## First, identify which data frame to supply to the data layer.
##   Then put the variables you want to map on your x axis, y axis, and color inside `mapping = aes()`. 
##   Then, use the correct geometry function needed for a line graph: `geom_line()`.
##   If all these are correct, look for typos, missing commas, or unclosed brackets.
# Check your answer:
.CHECK_nigerm04_line()
## Correct! You are phenomenal!
##   1   2  <U+1405>3<U+140A>  4

6.4 Fixed aesthetics outside aes()

Aesthetic mappings vs fixed aesthetics

• Common aesthetics are color, fill, size , and alpha (opacity).

• Any of these can be either a mapping of a data variable (e.g., color = region) or set to a fixed value (color = "blue")

• This depends on whether or not they appear inside mapping = aes().

Let’s add color as a fixed aesthetic to our original scatter plot and make all the points blue.

# Set color to a fixed value with `geom_point(color = "COLOR_NAME")`
ggplot(data = nigerm96, 
       mapping = aes(x = week, 
                     y = cases)) +
  geom_point(color="antiquewhite3")       

• Every point is the same color

• When color is a fixed aesthetic, it does not depend on the data

• Color names should go inside quotation marks (e.g., "blue")

• Run colors() in your console to see all color choices

colors()
##   [1] "white"                "aliceblue"            "antiquewhite"        
##   [4] "antiquewhite1"        "antiquewhite2"        "antiquewhite3"       
##   [7] "antiquewhite4"        "aquamarine"           "aquamarine1"         
##  [10] "aquamarine2"          "aquamarine3"          "aquamarine4"         
##  [13] "azure"                "azure1"               "azure2"              
##  [16] "azure3"               "azure4"               "beige"               
##  [19] "bisque"               "bisque1"              "bisque2"             
##  [22] "bisque3"              "bisque4"              "black"               
##  [25] "blanchedalmond"       "blue"                 "blue1"               
##  [28] "blue2"                "blue3"                "blue4"               
##  [31] "blueviolet"           "brown"                "brown1"              
##  [34] "brown2"               "brown3"               "brown4"              
##  [37] "burlywood"            "burlywood1"           "burlywood2"          
##  [40] "burlywood3"           "burlywood4"           "cadetblue"           
##  [43] "cadetblue1"           "cadetblue2"           "cadetblue3"          
##  [46] "cadetblue4"           "chartreuse"           "chartreuse1"         
##  [49] "chartreuse2"          "chartreuse3"          "chartreuse4"         
##  [52] "chocolate"            "chocolate1"           "chocolate2"          
##  [55] "chocolate3"           "chocolate4"           "coral"               
##  [58] "coral1"               "coral2"               "coral3"              
##  [61] "coral4"               "cornflowerblue"       "cornsilk"            
##  [64] "cornsilk1"            "cornsilk2"            "cornsilk3"           
##  [67] "cornsilk4"            "cyan"                 "cyan1"               
##  [70] "cyan2"                "cyan3"                "cyan4"               
##  [73] "darkblue"             "darkcyan"             "darkgoldenrod"       
##  [76] "darkgoldenrod1"       "darkgoldenrod2"       "darkgoldenrod3"      
##  [79] "darkgoldenrod4"       "darkgray"             "darkgreen"           
##  [82] "darkgrey"             "darkkhaki"            "darkmagenta"         
##  [85] "darkolivegreen"       "darkolivegreen1"      "darkolivegreen2"     
##  [88] "darkolivegreen3"      "darkolivegreen4"      "darkorange"          
##  [91] "darkorange1"          "darkorange2"          "darkorange3"         
##  [94] "darkorange4"          "darkorchid"           "darkorchid1"         
##  [97] "darkorchid2"          "darkorchid3"          "darkorchid4"         
## [100] "darkred"              "darksalmon"           "darkseagreen"        
## [103] "darkseagreen1"        "darkseagreen2"        "darkseagreen3"       
## [106] "darkseagreen4"        "darkslateblue"        "darkslategray"       
## [109] "darkslategray1"       "darkslategray2"       "darkslategray3"      
## [112] "darkslategray4"       "darkslategrey"        "darkturquoise"       
## [115] "darkviolet"           "deeppink"             "deeppink1"           
## [118] "deeppink2"            "deeppink3"            "deeppink4"           
## [121] "deepskyblue"          "deepskyblue1"         "deepskyblue2"        
## [124] "deepskyblue3"         "deepskyblue4"         "dimgray"             
## [127] "dimgrey"              "dodgerblue"           "dodgerblue1"         
## [130] "dodgerblue2"          "dodgerblue3"          "dodgerblue4"         
## [133] "firebrick"            "firebrick1"           "firebrick2"          
## [136] "firebrick3"           "firebrick4"           "floralwhite"         
## [139] "forestgreen"          "gainsboro"            "ghostwhite"          
## [142] "gold"                 "gold1"                "gold2"               
## [145] "gold3"                "gold4"                "goldenrod"           
## [148] "goldenrod1"           "goldenrod2"           "goldenrod3"          
## [151] "goldenrod4"           "gray"                 "gray0"               
## [154] "gray1"                "gray2"                "gray3"               
## [157] "gray4"                "gray5"                "gray6"               
## [160] "gray7"                "gray8"                "gray9"               
## [163] "gray10"               "gray11"               "gray12"              
## [166] "gray13"               "gray14"               "gray15"              
## [169] "gray16"               "gray17"               "gray18"              
## [172] "gray19"               "gray20"               "gray21"              
## [175] "gray22"               "gray23"               "gray24"              
## [178] "gray25"               "gray26"               "gray27"              
## [181] "gray28"               "gray29"               "gray30"              
## [184] "gray31"               "gray32"               "gray33"              
## [187] "gray34"               "gray35"               "gray36"              
## [190] "gray37"               "gray38"               "gray39"              
## [193] "gray40"               "gray41"               "gray42"              
## [196] "gray43"               "gray44"               "gray45"              
## [199] "gray46"               "gray47"               "gray48"              
## [202] "gray49"               "gray50"               "gray51"              
## [205] "gray52"               "gray53"               "gray54"              
## [208] "gray55"               "gray56"               "gray57"              
## [211] "gray58"               "gray59"               "gray60"              
## [214] "gray61"               "gray62"               "gray63"              
## [217] "gray64"               "gray65"               "gray66"              
## [220] "gray67"               "gray68"               "gray69"              
## [223] "gray70"               "gray71"               "gray72"              
## [226] "gray73"               "gray74"               "gray75"              
## [229] "gray76"               "gray77"               "gray78"              
## [232] "gray79"               "gray80"               "gray81"              
## [235] "gray82"               "gray83"               "gray84"              
## [238] "gray85"               "gray86"               "gray87"              
## [241] "gray88"               "gray89"               "gray90"              
## [244] "gray91"               "gray92"               "gray93"              
## [247] "gray94"               "gray95"               "gray96"              
## [250] "gray97"               "gray98"               "gray99"              
## [253] "gray100"              "green"                "green1"              
## [256] "green2"               "green3"               "green4"              
## [259] "greenyellow"          "grey"                 "grey0"               
## [262] "grey1"                "grey2"                "grey3"               
## [265] "grey4"                "grey5"                "grey6"               
## [268] "grey7"                "grey8"                "grey9"               
## [271] "grey10"               "grey11"               "grey12"              
## [274] "grey13"               "grey14"               "grey15"              
## [277] "grey16"               "grey17"               "grey18"              
## [280] "grey19"               "grey20"               "grey21"              
## [283] "grey22"               "grey23"               "grey24"              
## [286] "grey25"               "grey26"               "grey27"              
## [289] "grey28"               "grey29"               "grey30"              
## [292] "grey31"               "grey32"               "grey33"              
## [295] "grey34"               "grey35"               "grey36"              
## [298] "grey37"               "grey38"               "grey39"              
## [301] "grey40"               "grey41"               "grey42"              
## [304] "grey43"               "grey44"               "grey45"              
## [307] "grey46"               "grey47"               "grey48"              
## [310] "grey49"               "grey50"               "grey51"              
## [313] "grey52"               "grey53"               "grey54"              
## [316] "grey55"               "grey56"               "grey57"              
## [319] "grey58"               "grey59"               "grey60"              
## [322] "grey61"               "grey62"               "grey63"              
## [325] "grey64"               "grey65"               "grey66"              
## [328] "grey67"               "grey68"               "grey69"              
## [331] "grey70"               "grey71"               "grey72"              
## [334] "grey73"               "grey74"               "grey75"              
## [337] "grey76"               "grey77"               "grey78"              
## [340] "grey79"               "grey80"               "grey81"              
## [343] "grey82"               "grey83"               "grey84"              
## [346] "grey85"               "grey86"               "grey87"              
## [349] "grey88"               "grey89"               "grey90"              
## [352] "grey91"               "grey92"               "grey93"              
## [355] "grey94"               "grey95"               "grey96"              
## [358] "grey97"               "grey98"               "grey99"              
## [361] "grey100"              "honeydew"             "honeydew1"           
## [364] "honeydew2"            "honeydew3"            "honeydew4"           
## [367] "hotpink"              "hotpink1"             "hotpink2"            
## [370] "hotpink3"             "hotpink4"             "indianred"           
## [373] "indianred1"           "indianred2"           "indianred3"          
## [376] "indianred4"           "ivory"                "ivory1"              
## [379] "ivory2"               "ivory3"               "ivory4"              
## [382] "khaki"                "khaki1"               "khaki2"              
## [385] "khaki3"               "khaki4"               "lavender"            
## [388] "lavenderblush"        "lavenderblush1"       "lavenderblush2"      
## [391] "lavenderblush3"       "lavenderblush4"       "lawngreen"           
## [394] "lemonchiffon"         "lemonchiffon1"        "lemonchiffon2"       
## [397] "lemonchiffon3"        "lemonchiffon4"        "lightblue"           
## [400] "lightblue1"           "lightblue2"           "lightblue3"          
## [403] "lightblue4"           "lightcoral"           "lightcyan"           
## [406] "lightcyan1"           "lightcyan2"           "lightcyan3"          
## [409] "lightcyan4"           "lightgoldenrod"       "lightgoldenrod1"     
## [412] "lightgoldenrod2"      "lightgoldenrod3"      "lightgoldenrod4"     
## [415] "lightgoldenrodyellow" "lightgray"            "lightgreen"          
## [418] "lightgrey"            "lightpink"            "lightpink1"          
## [421] "lightpink2"           "lightpink3"           "lightpink4"          
## [424] "lightsalmon"          "lightsalmon1"         "lightsalmon2"        
## [427] "lightsalmon3"         "lightsalmon4"         "lightseagreen"       
## [430] "lightskyblue"         "lightskyblue1"        "lightskyblue2"       
## [433] "lightskyblue3"        "lightskyblue4"        "lightslateblue"      
## [436] "lightslategray"       "lightslategrey"       "lightsteelblue"      
## [439] "lightsteelblue1"      "lightsteelblue2"      "lightsteelblue3"     
## [442] "lightsteelblue4"      "lightyellow"          "lightyellow1"        
## [445] "lightyellow2"         "lightyellow3"         "lightyellow4"        
## [448] "limegreen"            "linen"                "magenta"             
## [451] "magenta1"             "magenta2"             "magenta3"            
## [454] "magenta4"             "maroon"               "maroon1"             
## [457] "maroon2"              "maroon3"              "maroon4"             
## [460] "mediumaquamarine"     "mediumblue"           "mediumorchid"        
## [463] "mediumorchid1"        "mediumorchid2"        "mediumorchid3"       
## [466] "mediumorchid4"        "mediumpurple"         "mediumpurple1"       
## [469] "mediumpurple2"        "mediumpurple3"        "mediumpurple4"       
## [472] "mediumseagreen"       "mediumslateblue"      "mediumspringgreen"   
## [475] "mediumturquoise"      "mediumvioletred"      "midnightblue"        
## [478] "mintcream"            "mistyrose"            "mistyrose1"          
## [481] "mistyrose2"           "mistyrose3"           "mistyrose4"          
## [484] "moccasin"             "navajowhite"          "navajowhite1"        
## [487] "navajowhite2"         "navajowhite3"         "navajowhite4"        
## [490] "navy"                 "navyblue"             "oldlace"             
## [493] "olivedrab"            "olivedrab1"           "olivedrab2"          
## [496] "olivedrab3"           "olivedrab4"           "orange"              
## [499] "orange1"              "orange2"              "orange3"             
## [502] "orange4"              "orangered"            "orangered1"          
## [505] "orangered2"           "orangered3"           "orangered4"          
## [508] "orchid"               "orchid1"              "orchid2"             
## [511] "orchid3"              "orchid4"              "palegoldenrod"       
## [514] "palegreen"            "palegreen1"           "palegreen2"          
## [517] "palegreen3"           "palegreen4"           "paleturquoise"       
## [520] "paleturquoise1"       "paleturquoise2"       "paleturquoise3"      
## [523] "paleturquoise4"       "palevioletred"        "palevioletred1"      
## [526] "palevioletred2"       "palevioletred3"       "palevioletred4"      
## [529] "papayawhip"           "peachpuff"            "peachpuff1"          
## [532] "peachpuff2"           "peachpuff3"           "peachpuff4"          
## [535] "peru"                 "pink"                 "pink1"               
## [538] "pink2"                "pink3"                "pink4"               
## [541] "plum"                 "plum1"                "plum2"               
## [544] "plum3"                "plum4"                "powderblue"          
## [547] "purple"               "purple1"              "purple2"             
## [550] "purple3"              "purple4"              "red"                 
## [553] "red1"                 "red2"                 "red3"                
## [556] "red4"                 "rosybrown"            "rosybrown1"          
## [559] "rosybrown2"           "rosybrown3"           "rosybrown4"          
## [562] "royalblue"            "royalblue1"           "royalblue2"          
## [565] "royalblue3"           "royalblue4"           "saddlebrown"         
## [568] "salmon"               "salmon1"              "salmon2"             
## [571] "salmon3"              "salmon4"              "sandybrown"          
## [574] "seagreen"             "seagreen1"            "seagreen2"           
## [577] "seagreen3"            "seagreen4"            "seashell"            
## [580] "seashell1"            "seashell2"            "seashell3"           
## [583] "seashell4"            "sienna"               "sienna1"             
## [586] "sienna2"              "sienna3"              "sienna4"             
## [589] "skyblue"              "skyblue1"             "skyblue2"            
## [592] "skyblue3"             "skyblue4"             "slateblue"           
## [595] "slateblue1"           "slateblue2"           "slateblue3"          
## [598] "slateblue4"           "slategray"            "slategray1"          
## [601] "slategray2"           "slategray3"           "slategray4"          
## [604] "slategrey"            "snow"                 "snow1"               
## [607] "snow2"                "snow3"                "snow4"               
## [610] "springgreen"          "springgreen1"         "springgreen2"        
## [613] "springgreen3"         "springgreen4"         "steelblue"           
## [616] "steelblue1"           "steelblue2"           "steelblue3"          
## [619] "steelblue4"           "tan"                  "tan1"                
## [622] "tan2"                 "tan3"                 "tan4"                
## [625] "thistle"              "thistle1"             "thistle2"            
## [628] "thistle3"             "thistle4"             "tomato"              
## [631] "tomato1"              "tomato2"              "tomato3"             
## [634] "tomato4"              "turquoise"            "turquoise1"          
## [637] "turquoise2"           "turquoise3"           "turquoise4"          
## [640] "violet"               "violetred"            "violetred1"          
## [643] "violetred2"           "violetred3"           "violetred4"          
## [646] "wheat"                "wheat1"               "wheat2"              
## [649] "wheat3"               "wheat4"               "whitesmoke"          
## [652] "yellow"               "yellow1"              "yellow2"             
## [655] "yellow3"              "yellow4"              "yellowgreen"

Now let’s modify size as a fixed aesthetic

The default line width used by geom_line() looks like this:

ggplot(data = nigerm96, 
             mapping = aes(x = week, 
                           y = cases,
                           color = region)) + 
      geom_line()

For thicker lines add size = 1 inside geom_line():

ggplot(data = nigerm96,
       mapping = aes(x = week,
                     y = cases,
                     color = region)) +
  geom_line(size=1)
## Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
## i Please use `linewidth` instead.
## This warning is displayed once every 8 hours.
## Call `lifecycle::last_lifecycle_warnings()` to see where this warning was
## generated.

Now it’s your turn practice using fill as a fixed aesthetic to change the fill colors to a constant value on a bar plot.

• Use the nigerm04 data frame to create a bar graph of weekly cases, and fill all bars with the same color.

• Map cases on the y-axis, week on the x-axis, and set the fill aesthetic of all bars to the R color "hotpink".

# Write code to create your plot:
ggplot(data = nigerm04, mapping = aes(x=week, y=cases)) + geom_col(fill="hotpink")

# Submit your answer:
nigerm04_pinkbar <- ggplot(data = nigerm04, mapping = aes(x=week, y=cases)) + geom_col(fill="hotpink")

# Ask for a hint:
# .HINT_nigerm04_pinkbar()

# Check your answer:
# .CHECK_nigerm04_pinkbar()

7 Additional GG layers

• So far, we covered only the three required layers.

• The other layers will start showing up more frequently as we go along.

• You will soon be able to write code this:

ggplot(data = nigerm, 
       mapping = aes(x = week, 
                     y = cases, 
                     color = region)) +
  geom_line(size = 0.55, 
            alpha = 0.65) + 
  facet_wrap(vars(year))+  
  scale_color_brewer(palette = "Dark2") + 
  theme_light() +
  labs(title = "Annual patterns of measles incidence in Niger",
       subtitle = "Weekly reported at region level (1995-2005)",
       x = "Week of the year",
       y = "Number of cases reported",
       caption = "Source: doi:10.5061/dryad.1jwstqjrd",
       color = "Region")

8 Learning Outcomes

  1. You can recall and explain how the {ggplot2} package for data visualization is based on a theoretical framework called the grammar of graphics.

  2. You can name and describe the 3 essential layers for building a graph: data, aesthetics, and geometries.

  3. You can write code to build a complete ggplot graphic by correctly supplying the 3 essential layers to the ggplot() function.

  4. You can create different types of plots such as scatter plots, line graphs, and bar graphs.

  5. You can add and modify aesthetic mappings of data variables to color and fill.

[INSERT LINK TO COURSE FOR QUIZZES ETC.]