library("reshape")
library("reshape2")
## 
## 다음의 패키지를 부착합니다: 'reshape2'
## The following objects are masked from 'package:reshape':
## 
##     colsplit, melt, recast
data("airquality")
library(dplyr)
## 
## 다음의 패키지를 부착합니다: 'dplyr'
## The following object is masked from 'package:reshape':
## 
##     rename
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
glimpse(airquality)
## Rows: 153
## Columns: 6
## $ Ozone   <int> 41, 36, 12, 18, NA, 28, 23, 19, 8, NA, 7, 16, 11, 14, 18, 14, …
## $ Solar.R <int> 190, 118, 149, 313, NA, NA, 299, 99, 19, 194, NA, 256, 290, 27…
## $ Wind    <dbl> 7.4, 8.0, 12.6, 11.5, 14.3, 14.9, 8.6, 13.8, 20.1, 8.6, 6.9, 9…
## $ Temp    <int> 67, 72, 74, 62, 56, 66, 65, 59, 61, 69, 74, 69, 66, 68, 58, 64…
## $ Month   <int> 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,…
## $ Day     <int> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,…
names(airquality)
## [1] "Ozone"   "Solar.R" "Wind"    "Temp"    "Month"   "Day"
library(dplyr)
glimpse(airquality)
## Rows: 153
## Columns: 6
## $ Ozone   <int> 41, 36, 12, 18, NA, 28, 23, 19, 8, NA, 7, 16, 11, 14, 18, 14, …
## $ Solar.R <int> 190, 118, 149, 313, NA, NA, 299, 99, 19, 194, NA, 256, 290, 27…
## $ Wind    <dbl> 7.4, 8.0, 12.6, 11.5, 14.3, 14.9, 8.6, 13.8, 20.1, 8.6, 6.9, 9…
## $ Temp    <int> 67, 72, 74, 62, 56, 66, 65, 59, 61, 69, 74, 69, 66, 68, 58, 64…
## $ Month   <int> 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,…
## $ Day     <int> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,…
head(airquality);tail(airquality)
##   Ozone Solar.R Wind Temp Month Day
## 1    41     190  7.4   67     5   1
## 2    36     118  8.0   72     5   2
## 3    12     149 12.6   74     5   3
## 4    18     313 11.5   62     5   4
## 5    NA      NA 14.3   56     5   5
## 6    28      NA 14.9   66     5   6
##     Ozone Solar.R Wind Temp Month Day
## 148    14      20 16.6   63     9  25
## 149    30     193  6.9   70     9  26
## 150    NA     145 13.2   77     9  27
## 151    14     191 14.3   75     9  28
## 152    18     131  8.0   76     9  29
## 153    20     223 11.5   68     9  30
names(airquality) <- tolower(names(airquality))
names(airquality)
## [1] "ozone"   "solar.r" "wind"    "temp"    "month"   "day"
aqm<-melt(airquality,id=c("month", "day"), na.rm=TRUE)
aqm
##     month day variable value
## 1       5   1    ozone  41.0
## 2       5   2    ozone  36.0
## 3       5   3    ozone  12.0
## 4       5   4    ozone  18.0
## 6       5   6    ozone  28.0
## 7       5   7    ozone  23.0
## 8       5   8    ozone  19.0
## 9       5   9    ozone   8.0
## 11      5  11    ozone   7.0
## 12      5  12    ozone  16.0
## 13      5  13    ozone  11.0
## 14      5  14    ozone  14.0
## 15      5  15    ozone  18.0
## 16      5  16    ozone  14.0
## 17      5  17    ozone  34.0
## 18      5  18    ozone   6.0
## 19      5  19    ozone  30.0
## 20      5  20    ozone  11.0
## 21      5  21    ozone   1.0
## 22      5  22    ozone  11.0
## 23      5  23    ozone   4.0
## 24      5  24    ozone  32.0
## 28      5  28    ozone  23.0
## 29      5  29    ozone  45.0
## 30      5  30    ozone 115.0
## 31      5  31    ozone  37.0
## 38      6   7    ozone  29.0
## 40      6   9    ozone  71.0
## 41      6  10    ozone  39.0
## 44      6  13    ozone  23.0
## 47      6  16    ozone  21.0
## 48      6  17    ozone  37.0
## 49      6  18    ozone  20.0
## 50      6  19    ozone  12.0
## 51      6  20    ozone  13.0
## 62      7   1    ozone 135.0
## 63      7   2    ozone  49.0
## 64      7   3    ozone  32.0
## 66      7   5    ozone  64.0
## 67      7   6    ozone  40.0
## 68      7   7    ozone  77.0
## 69      7   8    ozone  97.0
## 70      7   9    ozone  97.0
## 71      7  10    ozone  85.0
## 73      7  12    ozone  10.0
## 74      7  13    ozone  27.0
## 76      7  15    ozone   7.0
## 77      7  16    ozone  48.0
## 78      7  17    ozone  35.0
## 79      7  18    ozone  61.0
## 80      7  19    ozone  79.0
## 81      7  20    ozone  63.0
## 82      7  21    ozone  16.0
## 85      7  24    ozone  80.0
## 86      7  25    ozone 108.0
## 87      7  26    ozone  20.0
## 88      7  27    ozone  52.0
## 89      7  28    ozone  82.0
## 90      7  29    ozone  50.0
## 91      7  30    ozone  64.0
## 92      7  31    ozone  59.0
## 93      8   1    ozone  39.0
## 94      8   2    ozone   9.0
## 95      8   3    ozone  16.0
## 96      8   4    ozone  78.0
## 97      8   5    ozone  35.0
## 98      8   6    ozone  66.0
## 99      8   7    ozone 122.0
## 100     8   8    ozone  89.0
## 101     8   9    ozone 110.0
## 104     8  12    ozone  44.0
## 105     8  13    ozone  28.0
## 106     8  14    ozone  65.0
## 108     8  16    ozone  22.0
## 109     8  17    ozone  59.0
## 110     8  18    ozone  23.0
## 111     8  19    ozone  31.0
## 112     8  20    ozone  44.0
## 113     8  21    ozone  21.0
## 114     8  22    ozone   9.0
## 116     8  24    ozone  45.0
## 117     8  25    ozone 168.0
## 118     8  26    ozone  73.0
## 120     8  28    ozone  76.0
## 121     8  29    ozone 118.0
## 122     8  30    ozone  84.0
## 123     8  31    ozone  85.0
## 124     9   1    ozone  96.0
## 125     9   2    ozone  78.0
## 126     9   3    ozone  73.0
## 127     9   4    ozone  91.0
## 128     9   5    ozone  47.0
## 129     9   6    ozone  32.0
## 130     9   7    ozone  20.0
## 131     9   8    ozone  23.0
## 132     9   9    ozone  21.0
## 133     9  10    ozone  24.0
## 134     9  11    ozone  44.0
## 135     9  12    ozone  21.0
## 136     9  13    ozone  28.0
## 137     9  14    ozone   9.0
## 138     9  15    ozone  13.0
## 139     9  16    ozone  46.0
## 140     9  17    ozone  18.0
## 141     9  18    ozone  13.0
## 142     9  19    ozone  24.0
## 143     9  20    ozone  16.0
## 144     9  21    ozone  13.0
## 145     9  22    ozone  23.0
## 146     9  23    ozone  36.0
## 147     9  24    ozone   7.0
## 148     9  25    ozone  14.0
## 149     9  26    ozone  30.0
## 151     9  28    ozone  14.0
## 152     9  29    ozone  18.0
## 153     9  30    ozone  20.0
## 154     5   1  solar.r 190.0
## 155     5   2  solar.r 118.0
## 156     5   3  solar.r 149.0
## 157     5   4  solar.r 313.0
## 160     5   7  solar.r 299.0
## 161     5   8  solar.r  99.0
## 162     5   9  solar.r  19.0
## 163     5  10  solar.r 194.0
## 165     5  12  solar.r 256.0
## 166     5  13  solar.r 290.0
## 167     5  14  solar.r 274.0
## 168     5  15  solar.r  65.0
## 169     5  16  solar.r 334.0
## 170     5  17  solar.r 307.0
## 171     5  18  solar.r  78.0
## 172     5  19  solar.r 322.0
## 173     5  20  solar.r  44.0
## 174     5  21  solar.r   8.0
## 175     5  22  solar.r 320.0
## 176     5  23  solar.r  25.0
## 177     5  24  solar.r  92.0
## 178     5  25  solar.r  66.0
## 179     5  26  solar.r 266.0
## 181     5  28  solar.r  13.0
## 182     5  29  solar.r 252.0
## 183     5  30  solar.r 223.0
## 184     5  31  solar.r 279.0
## 185     6   1  solar.r 286.0
## 186     6   2  solar.r 287.0
## 187     6   3  solar.r 242.0
## 188     6   4  solar.r 186.0
## 189     6   5  solar.r 220.0
## 190     6   6  solar.r 264.0
## 191     6   7  solar.r 127.0
## 192     6   8  solar.r 273.0
## 193     6   9  solar.r 291.0
## 194     6  10  solar.r 323.0
## 195     6  11  solar.r 259.0
## 196     6  12  solar.r 250.0
## 197     6  13  solar.r 148.0
## 198     6  14  solar.r 332.0
## 199     6  15  solar.r 322.0
## 200     6  16  solar.r 191.0
## 201     6  17  solar.r 284.0
## 202     6  18  solar.r  37.0
## 203     6  19  solar.r 120.0
## 204     6  20  solar.r 137.0
## 205     6  21  solar.r 150.0
## 206     6  22  solar.r  59.0
## 207     6  23  solar.r  91.0
## 208     6  24  solar.r 250.0
## 209     6  25  solar.r 135.0
## 210     6  26  solar.r 127.0
## 211     6  27  solar.r  47.0
## 212     6  28  solar.r  98.0
## 213     6  29  solar.r  31.0
## 214     6  30  solar.r 138.0
## 215     7   1  solar.r 269.0
## 216     7   2  solar.r 248.0
## 217     7   3  solar.r 236.0
## 218     7   4  solar.r 101.0
## 219     7   5  solar.r 175.0
## 220     7   6  solar.r 314.0
## 221     7   7  solar.r 276.0
## 222     7   8  solar.r 267.0
## 223     7   9  solar.r 272.0
## 224     7  10  solar.r 175.0
## 225     7  11  solar.r 139.0
## 226     7  12  solar.r 264.0
## 227     7  13  solar.r 175.0
## 228     7  14  solar.r 291.0
## 229     7  15  solar.r  48.0
## 230     7  16  solar.r 260.0
## 231     7  17  solar.r 274.0
## 232     7  18  solar.r 285.0
## 233     7  19  solar.r 187.0
## 234     7  20  solar.r 220.0
## 235     7  21  solar.r   7.0
## 236     7  22  solar.r 258.0
## 237     7  23  solar.r 295.0
## 238     7  24  solar.r 294.0
## 239     7  25  solar.r 223.0
## 240     7  26  solar.r  81.0
## 241     7  27  solar.r  82.0
## 242     7  28  solar.r 213.0
## 243     7  29  solar.r 275.0
## 244     7  30  solar.r 253.0
## 245     7  31  solar.r 254.0
## 246     8   1  solar.r  83.0
## 247     8   2  solar.r  24.0
## 248     8   3  solar.r  77.0
## 252     8   7  solar.r 255.0
## 253     8   8  solar.r 229.0
## 254     8   9  solar.r 207.0
## 255     8  10  solar.r 222.0
## 256     8  11  solar.r 137.0
## 257     8  12  solar.r 192.0
## 258     8  13  solar.r 273.0
## 259     8  14  solar.r 157.0
## 260     8  15  solar.r  64.0
## 261     8  16  solar.r  71.0
## 262     8  17  solar.r  51.0
## 263     8  18  solar.r 115.0
## 264     8  19  solar.r 244.0
## 265     8  20  solar.r 190.0
## 266     8  21  solar.r 259.0
## 267     8  22  solar.r  36.0
## 268     8  23  solar.r 255.0
## 269     8  24  solar.r 212.0
## 270     8  25  solar.r 238.0
## 271     8  26  solar.r 215.0
## 272     8  27  solar.r 153.0
## 273     8  28  solar.r 203.0
## 274     8  29  solar.r 225.0
## 275     8  30  solar.r 237.0
## 276     8  31  solar.r 188.0
## 277     9   1  solar.r 167.0
## 278     9   2  solar.r 197.0
## 279     9   3  solar.r 183.0
## 280     9   4  solar.r 189.0
## 281     9   5  solar.r  95.0
## 282     9   6  solar.r  92.0
## 283     9   7  solar.r 252.0
## 284     9   8  solar.r 220.0
## 285     9   9  solar.r 230.0
## 286     9  10  solar.r 259.0
## 287     9  11  solar.r 236.0
## 288     9  12  solar.r 259.0
## 289     9  13  solar.r 238.0
## 290     9  14  solar.r  24.0
## 291     9  15  solar.r 112.0
## 292     9  16  solar.r 237.0
## 293     9  17  solar.r 224.0
## 294     9  18  solar.r  27.0
## 295     9  19  solar.r 238.0
## 296     9  20  solar.r 201.0
## 297     9  21  solar.r 238.0
## 298     9  22  solar.r  14.0
## 299     9  23  solar.r 139.0
## 300     9  24  solar.r  49.0
## 301     9  25  solar.r  20.0
## 302     9  26  solar.r 193.0
## 303     9  27  solar.r 145.0
## 304     9  28  solar.r 191.0
## 305     9  29  solar.r 131.0
## 306     9  30  solar.r 223.0
## 307     5   1     wind   7.4
## 308     5   2     wind   8.0
## 309     5   3     wind  12.6
## 310     5   4     wind  11.5
## 311     5   5     wind  14.3
## 312     5   6     wind  14.9
## 313     5   7     wind   8.6
## 314     5   8     wind  13.8
## 315     5   9     wind  20.1
## 316     5  10     wind   8.6
## 317     5  11     wind   6.9
## 318     5  12     wind   9.7
## 319     5  13     wind   9.2
## 320     5  14     wind  10.9
## 321     5  15     wind  13.2
## 322     5  16     wind  11.5
## 323     5  17     wind  12.0
## 324     5  18     wind  18.4
## 325     5  19     wind  11.5
## 326     5  20     wind   9.7
## 327     5  21     wind   9.7
## 328     5  22     wind  16.6
## 329     5  23     wind   9.7
## 330     5  24     wind  12.0
## 331     5  25     wind  16.6
## 332     5  26     wind  14.9
## 333     5  27     wind   8.0
## 334     5  28     wind  12.0
## 335     5  29     wind  14.9
## 336     5  30     wind   5.7
## 337     5  31     wind   7.4
## 338     6   1     wind   8.6
## 339     6   2     wind   9.7
## 340     6   3     wind  16.1
## 341     6   4     wind   9.2
## 342     6   5     wind   8.6
## 343     6   6     wind  14.3
## 344     6   7     wind   9.7
## 345     6   8     wind   6.9
## 346     6   9     wind  13.8
## 347     6  10     wind  11.5
## 348     6  11     wind  10.9
## 349     6  12     wind   9.2
## 350     6  13     wind   8.0
## 351     6  14     wind  13.8
## 352     6  15     wind  11.5
## 353     6  16     wind  14.9
## 354     6  17     wind  20.7
## 355     6  18     wind   9.2
## 356     6  19     wind  11.5
## 357     6  20     wind  10.3
## 358     6  21     wind   6.3
## 359     6  22     wind   1.7
## 360     6  23     wind   4.6
## 361     6  24     wind   6.3
## 362     6  25     wind   8.0
## 363     6  26     wind   8.0
## 364     6  27     wind  10.3
## 365     6  28     wind  11.5
## 366     6  29     wind  14.9
## 367     6  30     wind   8.0
## 368     7   1     wind   4.1
## 369     7   2     wind   9.2
## 370     7   3     wind   9.2
## 371     7   4     wind  10.9
## 372     7   5     wind   4.6
## 373     7   6     wind  10.9
## 374     7   7     wind   5.1
## 375     7   8     wind   6.3
## 376     7   9     wind   5.7
## 377     7  10     wind   7.4
## 378     7  11     wind   8.6
## 379     7  12     wind  14.3
## 380     7  13     wind  14.9
## 381     7  14     wind  14.9
## 382     7  15     wind  14.3
## 383     7  16     wind   6.9
## 384     7  17     wind  10.3
## 385     7  18     wind   6.3
## 386     7  19     wind   5.1
## 387     7  20     wind  11.5
## 388     7  21     wind   6.9
## 389     7  22     wind   9.7
## 390     7  23     wind  11.5
## 391     7  24     wind   8.6
## 392     7  25     wind   8.0
## 393     7  26     wind   8.6
## 394     7  27     wind  12.0
## 395     7  28     wind   7.4
## 396     7  29     wind   7.4
## 397     7  30     wind   7.4
## 398     7  31     wind   9.2
## 399     8   1     wind   6.9
## 400     8   2     wind  13.8
## 401     8   3     wind   7.4
## 402     8   4     wind   6.9
## 403     8   5     wind   7.4
## 404     8   6     wind   4.6
## 405     8   7     wind   4.0
## 406     8   8     wind  10.3
## 407     8   9     wind   8.0
## 408     8  10     wind   8.6
## 409     8  11     wind  11.5
## 410     8  12     wind  11.5
## 411     8  13     wind  11.5
## 412     8  14     wind   9.7
## 413     8  15     wind  11.5
## 414     8  16     wind  10.3
## 415     8  17     wind   6.3
## 416     8  18     wind   7.4
## 417     8  19     wind  10.9
## 418     8  20     wind  10.3
## 419     8  21     wind  15.5
## 420     8  22     wind  14.3
## 421     8  23     wind  12.6
## 422     8  24     wind   9.7
## 423     8  25     wind   3.4
## 424     8  26     wind   8.0
## 425     8  27     wind   5.7
## 426     8  28     wind   9.7
## 427     8  29     wind   2.3
## 428     8  30     wind   6.3
## 429     8  31     wind   6.3
## 430     9   1     wind   6.9
## 431     9   2     wind   5.1
## 432     9   3     wind   2.8
## 433     9   4     wind   4.6
## 434     9   5     wind   7.4
## 435     9   6     wind  15.5
## 436     9   7     wind  10.9
## 437     9   8     wind  10.3
## 438     9   9     wind  10.9
## 439     9  10     wind   9.7
## 440     9  11     wind  14.9
## 441     9  12     wind  15.5
## 442     9  13     wind   6.3
## 443     9  14     wind  10.9
## 444     9  15     wind  11.5
## 445     9  16     wind   6.9
## 446     9  17     wind  13.8
## 447     9  18     wind  10.3
## 448     9  19     wind  10.3
## 449     9  20     wind   8.0
## 450     9  21     wind  12.6
## 451     9  22     wind   9.2
## 452     9  23     wind  10.3
## 453     9  24     wind  10.3
## 454     9  25     wind  16.6
## 455     9  26     wind   6.9
## 456     9  27     wind  13.2
## 457     9  28     wind  14.3
## 458     9  29     wind   8.0
## 459     9  30     wind  11.5
## 460     5   1     temp  67.0
## 461     5   2     temp  72.0
## 462     5   3     temp  74.0
## 463     5   4     temp  62.0
## 464     5   5     temp  56.0
## 465     5   6     temp  66.0
## 466     5   7     temp  65.0
## 467     5   8     temp  59.0
## 468     5   9     temp  61.0
## 469     5  10     temp  69.0
## 470     5  11     temp  74.0
## 471     5  12     temp  69.0
## 472     5  13     temp  66.0
## 473     5  14     temp  68.0
## 474     5  15     temp  58.0
## 475     5  16     temp  64.0
## 476     5  17     temp  66.0
## 477     5  18     temp  57.0
## 478     5  19     temp  68.0
## 479     5  20     temp  62.0
## 480     5  21     temp  59.0
## 481     5  22     temp  73.0
## 482     5  23     temp  61.0
## 483     5  24     temp  61.0
## 484     5  25     temp  57.0
## 485     5  26     temp  58.0
## 486     5  27     temp  57.0
## 487     5  28     temp  67.0
## 488     5  29     temp  81.0
## 489     5  30     temp  79.0
## 490     5  31     temp  76.0
## 491     6   1     temp  78.0
## 492     6   2     temp  74.0
## 493     6   3     temp  67.0
## 494     6   4     temp  84.0
## 495     6   5     temp  85.0
## 496     6   6     temp  79.0
## 497     6   7     temp  82.0
## 498     6   8     temp  87.0
## 499     6   9     temp  90.0
## 500     6  10     temp  87.0
## 501     6  11     temp  93.0
## 502     6  12     temp  92.0
## 503     6  13     temp  82.0
## 504     6  14     temp  80.0
## 505     6  15     temp  79.0
## 506     6  16     temp  77.0
## 507     6  17     temp  72.0
## 508     6  18     temp  65.0
## 509     6  19     temp  73.0
## 510     6  20     temp  76.0
## 511     6  21     temp  77.0
## 512     6  22     temp  76.0
## 513     6  23     temp  76.0
## 514     6  24     temp  76.0
## 515     6  25     temp  75.0
## 516     6  26     temp  78.0
## 517     6  27     temp  73.0
## 518     6  28     temp  80.0
## 519     6  29     temp  77.0
## 520     6  30     temp  83.0
## 521     7   1     temp  84.0
## 522     7   2     temp  85.0
## 523     7   3     temp  81.0
## 524     7   4     temp  84.0
## 525     7   5     temp  83.0
## 526     7   6     temp  83.0
## 527     7   7     temp  88.0
## 528     7   8     temp  92.0
## 529     7   9     temp  92.0
## 530     7  10     temp  89.0
## 531     7  11     temp  82.0
## 532     7  12     temp  73.0
## 533     7  13     temp  81.0
## 534     7  14     temp  91.0
## 535     7  15     temp  80.0
## 536     7  16     temp  81.0
## 537     7  17     temp  82.0
## 538     7  18     temp  84.0
## 539     7  19     temp  87.0
## 540     7  20     temp  85.0
## 541     7  21     temp  74.0
## 542     7  22     temp  81.0
## 543     7  23     temp  82.0
## 544     7  24     temp  86.0
## 545     7  25     temp  85.0
## 546     7  26     temp  82.0
## 547     7  27     temp  86.0
## 548     7  28     temp  88.0
## 549     7  29     temp  86.0
## 550     7  30     temp  83.0
## 551     7  31     temp  81.0
## 552     8   1     temp  81.0
## 553     8   2     temp  81.0
## 554     8   3     temp  82.0
## 555     8   4     temp  86.0
## 556     8   5     temp  85.0
## 557     8   6     temp  87.0
## 558     8   7     temp  89.0
## 559     8   8     temp  90.0
## 560     8   9     temp  90.0
## 561     8  10     temp  92.0
## 562     8  11     temp  86.0
## 563     8  12     temp  86.0
## 564     8  13     temp  82.0
## 565     8  14     temp  80.0
## 566     8  15     temp  79.0
## 567     8  16     temp  77.0
## 568     8  17     temp  79.0
## 569     8  18     temp  76.0
## 570     8  19     temp  78.0
## 571     8  20     temp  78.0
## 572     8  21     temp  77.0
## 573     8  22     temp  72.0
## 574     8  23     temp  75.0
## 575     8  24     temp  79.0
## 576     8  25     temp  81.0
## 577     8  26     temp  86.0
## 578     8  27     temp  88.0
## 579     8  28     temp  97.0
## 580     8  29     temp  94.0
## 581     8  30     temp  96.0
## 582     8  31     temp  94.0
## 583     9   1     temp  91.0
## 584     9   2     temp  92.0
## 585     9   3     temp  93.0
## 586     9   4     temp  93.0
## 587     9   5     temp  87.0
## 588     9   6     temp  84.0
## 589     9   7     temp  80.0
## 590     9   8     temp  78.0
## 591     9   9     temp  75.0
## 592     9  10     temp  73.0
## 593     9  11     temp  81.0
## 594     9  12     temp  76.0
## 595     9  13     temp  77.0
## 596     9  14     temp  71.0
## 597     9  15     temp  71.0
## 598     9  16     temp  78.0
## 599     9  17     temp  67.0
## 600     9  18     temp  76.0
## 601     9  19     temp  68.0
## 602     9  20     temp  82.0
## 603     9  21     temp  64.0
## 604     9  22     temp  71.0
## 605     9  23     temp  81.0
## 606     9  24     temp  69.0
## 607     9  25     temp  63.0
## 608     9  26     temp  70.0
## 609     9  27     temp  77.0
## 610     9  28     temp  75.0
## 611     9  29     temp  76.0
## 612     9  30     temp  68.0
head(airquality)
##   ozone solar.r wind temp month day
## 1    41     190  7.4   67     5   1
## 2    36     118  8.0   72     5   2
## 3    12     149 12.6   74     5   3
## 4    18     313 11.5   62     5   4
## 5    NA      NA 14.3   56     5   5
## 6    28      NA 14.9   66     5   6
# data structure modify
acast(aqm, day~month~variable)
## , , ozone
## 
##      5  6   7   8  9
## 1   41 NA 135  39 96
## 2   36 NA  49   9 78
## 3   12 NA  32  16 73
## 4   18 NA  NA  78 91
## 5   NA NA  64  35 47
## 6   28 NA  40  66 32
## 7   23 29  77 122 20
## 8   19 NA  97  89 23
## 9    8 71  97 110 21
## 10  NA 39  85  NA 24
## 11   7 NA  NA  NA 44
## 12  16 NA  10  44 21
## 13  11 23  27  28 28
## 14  14 NA  NA  65  9
## 15  18 NA   7  NA 13
## 16  14 21  48  22 46
## 17  34 37  35  59 18
## 18   6 20  61  23 13
## 19  30 12  79  31 24
## 20  11 13  63  44 16
## 21   1 NA  16  21 13
## 22  11 NA  NA   9 23
## 23   4 NA  NA  NA 36
## 24  32 NA  80  45  7
## 25  NA NA 108 168 14
## 26  NA NA  20  73 30
## 27  NA NA  52  NA NA
## 28  23 NA  82  76 14
## 29  45 NA  50 118 18
## 30 115 NA  64  84 20
## 31  37 NA  59  85 NA
## 
## , , solar.r
## 
##      5   6   7   8   9
## 1  190 286 269  83 167
## 2  118 287 248  24 197
## 3  149 242 236  77 183
## 4  313 186 101  NA 189
## 5   NA 220 175  NA  95
## 6   NA 264 314  NA  92
## 7  299 127 276 255 252
## 8   99 273 267 229 220
## 9   19 291 272 207 230
## 10 194 323 175 222 259
## 11  NA 259 139 137 236
## 12 256 250 264 192 259
## 13 290 148 175 273 238
## 14 274 332 291 157  24
## 15  65 322  48  64 112
## 16 334 191 260  71 237
## 17 307 284 274  51 224
## 18  78  37 285 115  27
## 19 322 120 187 244 238
## 20  44 137 220 190 201
## 21   8 150   7 259 238
## 22 320  59 258  36  14
## 23  25  91 295 255 139
## 24  92 250 294 212  49
## 25  66 135 223 238  20
## 26 266 127  81 215 193
## 27  NA  47  82 153 145
## 28  13  98 213 203 191
## 29 252  31 275 225 131
## 30 223 138 253 237 223
## 31 279  NA 254 188  NA
## 
## , , wind
## 
##       5    6    7    8    9
## 1   7.4  8.6  4.1  6.9  6.9
## 2   8.0  9.7  9.2 13.8  5.1
## 3  12.6 16.1  9.2  7.4  2.8
## 4  11.5  9.2 10.9  6.9  4.6
## 5  14.3  8.6  4.6  7.4  7.4
## 6  14.9 14.3 10.9  4.6 15.5
## 7   8.6  9.7  5.1  4.0 10.9
## 8  13.8  6.9  6.3 10.3 10.3
## 9  20.1 13.8  5.7  8.0 10.9
## 10  8.6 11.5  7.4  8.6  9.7
## 11  6.9 10.9  8.6 11.5 14.9
## 12  9.7  9.2 14.3 11.5 15.5
## 13  9.2  8.0 14.9 11.5  6.3
## 14 10.9 13.8 14.9  9.7 10.9
## 15 13.2 11.5 14.3 11.5 11.5
## 16 11.5 14.9  6.9 10.3  6.9
## 17 12.0 20.7 10.3  6.3 13.8
## 18 18.4  9.2  6.3  7.4 10.3
## 19 11.5 11.5  5.1 10.9 10.3
## 20  9.7 10.3 11.5 10.3  8.0
## 21  9.7  6.3  6.9 15.5 12.6
## 22 16.6  1.7  9.7 14.3  9.2
## 23  9.7  4.6 11.5 12.6 10.3
## 24 12.0  6.3  8.6  9.7 10.3
## 25 16.6  8.0  8.0  3.4 16.6
## 26 14.9  8.0  8.6  8.0  6.9
## 27  8.0 10.3 12.0  5.7 13.2
## 28 12.0 11.5  7.4  9.7 14.3
## 29 14.9 14.9  7.4  2.3  8.0
## 30  5.7  8.0  7.4  6.3 11.5
## 31  7.4   NA  9.2  6.3   NA
## 
## , , temp
## 
##     5  6  7  8  9
## 1  67 78 84 81 91
## 2  72 74 85 81 92
## 3  74 67 81 82 93
## 4  62 84 84 86 93
## 5  56 85 83 85 87
## 6  66 79 83 87 84
## 7  65 82 88 89 80
## 8  59 87 92 90 78
## 9  61 90 92 90 75
## 10 69 87 89 92 73
## 11 74 93 82 86 81
## 12 69 92 73 86 76
## 13 66 82 81 82 77
## 14 68 80 91 80 71
## 15 58 79 80 79 71
## 16 64 77 81 77 78
## 17 66 72 82 79 67
## 18 57 65 84 76 76
## 19 68 73 87 78 68
## 20 62 76 85 78 82
## 21 59 77 74 77 64
## 22 73 76 81 72 71
## 23 61 76 82 75 81
## 24 61 76 86 79 69
## 25 57 75 85 81 63
## 26 58 78 82 86 70
## 27 57 73 86 88 77
## 28 67 80 88 97 75
## 29 81 77 86 94 76
## 30 79 83 83 96 68
## 31 76 NA 81 94 NA
acast(aqm, month~variable) #NA 제외하고 빈도
## Aggregation function missing: defaulting to length
##   ozone solar.r wind temp
## 5    26      27   31   31
## 6     9      30   30   30
## 7    26      31   31   31
## 8    26      28   31   31
## 9    29      30   30   30
table(is.na(airquality)) # NA(TRUE) 수
## 
## FALSE  TRUE 
##   874    44
summary(airquality) #변수별 NA 수수
##      ozone           solar.r           wind             temp      
##  Min.   :  1.00   Min.   :  7.0   Min.   : 1.700   Min.   :56.00  
##  1st Qu.: 18.00   1st Qu.:115.8   1st Qu.: 7.400   1st Qu.:72.00  
##  Median : 31.50   Median :205.0   Median : 9.700   Median :79.00  
##  Mean   : 42.13   Mean   :185.9   Mean   : 9.958   Mean   :77.88  
##  3rd Qu.: 63.25   3rd Qu.:258.8   3rd Qu.:11.500   3rd Qu.:85.00  
##  Max.   :168.00   Max.   :334.0   Max.   :20.700   Max.   :97.00  
##  NA's   :37       NA's   :7                                       
##      month            day      
##  Min.   :5.000   Min.   : 1.0  
##  1st Qu.:6.000   1st Qu.: 8.0  
##  Median :7.000   Median :16.0  
##  Mean   :6.993   Mean   :15.8  
##  3rd Qu.:8.000   3rd Qu.:23.0  
##  Max.   :9.000   Max.   :31.0  
## 
acast(aqm, month ~ variable, mean) # 결측치 제외하고 평군
##      ozone  solar.r      wind     temp
## 5 23.61538 181.2963 11.622581 65.54839
## 6 29.44444 190.1667 10.266667 79.10000
## 7 59.11538 216.4839  8.941935 83.90323
## 8 59.96154 171.8571  8.793548 83.96774
## 9 31.44828 167.4333 10.180000 76.90000
# month y축, x축 variable
cast(aqm, month ~ variable, mean, margins = TRUE)
##   month    ozone  solar.r      wind     temp    (all)
## 1     5 23.61538 181.2963 11.622581 65.54839 68.70696
## 2     6 29.44444 190.1667 10.266667 79.10000 87.38384
## 3     7 59.11538 216.4839  8.941935 83.90323 93.49748
## 4     8 59.96154 171.8571  8.793548 83.96774 79.71207
## 5     9 31.44828 167.4333 10.180000 76.90000 71.82689
## 6 (all) 42.12931 185.9315  9.957516 77.88235 80.05722
# margin 행과 열에 대한 소계 산출

# 특정 변수만 처리하고자 할때
head(aqm)
##   month day variable value
## 1     5   1    ozone    41
## 2     5   2    ozone    36
## 3     5   3    ozone    12
## 4     5   4    ozone    18
## 6     5   6    ozone    28
## 7     5   7    ozone    23
library(dplyr)
aqm %>% filter(variable=="ozone") %>% summarize(m1=mean(value))
##         m1
## 1 42.12931
aqm %>% filter(variable=="ozone"|month==5) %>% summarize(m1=mean(value))
##         m1
## 1 59.38683
data("ChickWeight")
library(dplyr)
glimpse(ChickWeight)
## Rows: 578
## Columns: 4
## $ weight <dbl> 42, 51, 59, 64, 76, 93, 106, 125, 149, 171, 199, 205, 40, 49, 5…
## $ Time   <dbl> 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 21, 0, 2, 4, 6, 8, 10, 1…
## $ Chick  <ord> 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, …
## $ Diet   <fct> 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, …
names(ChickWeight) <- tolower(names(ChickWeight))
chick_m<-melt(ChickWeight, id=2:4, na.rm=TRUE)
chick_m
##     time chick diet variable value
## 1      0     1    1   weight    42
## 2      2     1    1   weight    51
## 3      4     1    1   weight    59
## 4      6     1    1   weight    64
## 5      8     1    1   weight    76
## 6     10     1    1   weight    93
## 7     12     1    1   weight   106
## 8     14     1    1   weight   125
## 9     16     1    1   weight   149
## 10    18     1    1   weight   171
## 11    20     1    1   weight   199
## 12    21     1    1   weight   205
## 13     0     2    1   weight    40
## 14     2     2    1   weight    49
## 15     4     2    1   weight    58
## 16     6     2    1   weight    72
## 17     8     2    1   weight    84
## 18    10     2    1   weight   103
## 19    12     2    1   weight   122
## 20    14     2    1   weight   138
## 21    16     2    1   weight   162
## 22    18     2    1   weight   187
## 23    20     2    1   weight   209
## 24    21     2    1   weight   215
## 25     0     3    1   weight    43
## 26     2     3    1   weight    39
## 27     4     3    1   weight    55
## 28     6     3    1   weight    67
## 29     8     3    1   weight    84
## 30    10     3    1   weight    99
## 31    12     3    1   weight   115
## 32    14     3    1   weight   138
## 33    16     3    1   weight   163
## 34    18     3    1   weight   187
## 35    20     3    1   weight   198
## 36    21     3    1   weight   202
## 37     0     4    1   weight    42
## 38     2     4    1   weight    49
## 39     4     4    1   weight    56
## 40     6     4    1   weight    67
## 41     8     4    1   weight    74
## 42    10     4    1   weight    87
## 43    12     4    1   weight   102
## 44    14     4    1   weight   108
## 45    16     4    1   weight   136
## 46    18     4    1   weight   154
## 47    20     4    1   weight   160
## 48    21     4    1   weight   157
## 49     0     5    1   weight    41
## 50     2     5    1   weight    42
## 51     4     5    1   weight    48
## 52     6     5    1   weight    60
## 53     8     5    1   weight    79
## 54    10     5    1   weight   106
## 55    12     5    1   weight   141
## 56    14     5    1   weight   164
## 57    16     5    1   weight   197
## 58    18     5    1   weight   199
## 59    20     5    1   weight   220
## 60    21     5    1   weight   223
## 61     0     6    1   weight    41
## 62     2     6    1   weight    49
## 63     4     6    1   weight    59
## 64     6     6    1   weight    74
## 65     8     6    1   weight    97
## 66    10     6    1   weight   124
## 67    12     6    1   weight   141
## 68    14     6    1   weight   148
## 69    16     6    1   weight   155
## 70    18     6    1   weight   160
## 71    20     6    1   weight   160
## 72    21     6    1   weight   157
## 73     0     7    1   weight    41
## 74     2     7    1   weight    49
## 75     4     7    1   weight    57
## 76     6     7    1   weight    71
## 77     8     7    1   weight    89
## 78    10     7    1   weight   112
## 79    12     7    1   weight   146
## 80    14     7    1   weight   174
## 81    16     7    1   weight   218
## 82    18     7    1   weight   250
## 83    20     7    1   weight   288
## 84    21     7    1   weight   305
## 85     0     8    1   weight    42
## 86     2     8    1   weight    50
## 87     4     8    1   weight    61
## 88     6     8    1   weight    71
## 89     8     8    1   weight    84
## 90    10     8    1   weight    93
## 91    12     8    1   weight   110
## 92    14     8    1   weight   116
## 93    16     8    1   weight   126
## 94    18     8    1   weight   134
## 95    20     8    1   weight   125
## 96     0     9    1   weight    42
## 97     2     9    1   weight    51
## 98     4     9    1   weight    59
## 99     6     9    1   weight    68
## 100    8     9    1   weight    85
## 101   10     9    1   weight    96
## 102   12     9    1   weight    90
## 103   14     9    1   weight    92
## 104   16     9    1   weight    93
## 105   18     9    1   weight   100
## 106   20     9    1   weight   100
## 107   21     9    1   weight    98
## 108    0    10    1   weight    41
## 109    2    10    1   weight    44
## 110    4    10    1   weight    52
## 111    6    10    1   weight    63
## 112    8    10    1   weight    74
## 113   10    10    1   weight    81
## 114   12    10    1   weight    89
## 115   14    10    1   weight    96
## 116   16    10    1   weight   101
## 117   18    10    1   weight   112
## 118   20    10    1   weight   120
## 119   21    10    1   weight   124
## 120    0    11    1   weight    43
## 121    2    11    1   weight    51
## 122    4    11    1   weight    63
## 123    6    11    1   weight    84
## 124    8    11    1   weight   112
## 125   10    11    1   weight   139
## 126   12    11    1   weight   168
## 127   14    11    1   weight   177
## 128   16    11    1   weight   182
## 129   18    11    1   weight   184
## 130   20    11    1   weight   181
## 131   21    11    1   weight   175
## 132    0    12    1   weight    41
## 133    2    12    1   weight    49
## 134    4    12    1   weight    56
## 135    6    12    1   weight    62
## 136    8    12    1   weight    72
## 137   10    12    1   weight    88
## 138   12    12    1   weight   119
## 139   14    12    1   weight   135
## 140   16    12    1   weight   162
## 141   18    12    1   weight   185
## 142   20    12    1   weight   195
## 143   21    12    1   weight   205
## 144    0    13    1   weight    41
## 145    2    13    1   weight    48
## 146    4    13    1   weight    53
## 147    6    13    1   weight    60
## 148    8    13    1   weight    65
## 149   10    13    1   weight    67
## 150   12    13    1   weight    71
## 151   14    13    1   weight    70
## 152   16    13    1   weight    71
## 153   18    13    1   weight    81
## 154   20    13    1   weight    91
## 155   21    13    1   weight    96
## 156    0    14    1   weight    41
## 157    2    14    1   weight    49
## 158    4    14    1   weight    62
## 159    6    14    1   weight    79
## 160    8    14    1   weight   101
## 161   10    14    1   weight   128
## 162   12    14    1   weight   164
## 163   14    14    1   weight   192
## 164   16    14    1   weight   227
## 165   18    14    1   weight   248
## 166   20    14    1   weight   259
## 167   21    14    1   weight   266
## 168    0    15    1   weight    41
## 169    2    15    1   weight    49
## 170    4    15    1   weight    56
## 171    6    15    1   weight    64
## 172    8    15    1   weight    68
## 173   10    15    1   weight    68
## 174   12    15    1   weight    67
## 175   14    15    1   weight    68
## 176    0    16    1   weight    41
## 177    2    16    1   weight    45
## 178    4    16    1   weight    49
## 179    6    16    1   weight    51
## 180    8    16    1   weight    57
## 181   10    16    1   weight    51
## 182   12    16    1   weight    54
## 183    0    17    1   weight    42
## 184    2    17    1   weight    51
## 185    4    17    1   weight    61
## 186    6    17    1   weight    72
## 187    8    17    1   weight    83
## 188   10    17    1   weight    89
## 189   12    17    1   weight    98
## 190   14    17    1   weight   103
## 191   16    17    1   weight   113
## 192   18    17    1   weight   123
## 193   20    17    1   weight   133
## 194   21    17    1   weight   142
## 195    0    18    1   weight    39
## 196    2    18    1   weight    35
## 197    0    19    1   weight    43
## 198    2    19    1   weight    48
## 199    4    19    1   weight    55
## 200    6    19    1   weight    62
## 201    8    19    1   weight    65
## 202   10    19    1   weight    71
## 203   12    19    1   weight    82
## 204   14    19    1   weight    88
## 205   16    19    1   weight   106
## 206   18    19    1   weight   120
## 207   20    19    1   weight   144
## 208   21    19    1   weight   157
## 209    0    20    1   weight    41
## 210    2    20    1   weight    47
## 211    4    20    1   weight    54
## 212    6    20    1   weight    58
## 213    8    20    1   weight    65
## 214   10    20    1   weight    73
## 215   12    20    1   weight    77
## 216   14    20    1   weight    89
## 217   16    20    1   weight    98
## 218   18    20    1   weight   107
## 219   20    20    1   weight   115
## 220   21    20    1   weight   117
## 221    0    21    2   weight    40
## 222    2    21    2   weight    50
## 223    4    21    2   weight    62
## 224    6    21    2   weight    86
## 225    8    21    2   weight   125
## 226   10    21    2   weight   163
## 227   12    21    2   weight   217
## 228   14    21    2   weight   240
## 229   16    21    2   weight   275
## 230   18    21    2   weight   307
## 231   20    21    2   weight   318
## 232   21    21    2   weight   331
## 233    0    22    2   weight    41
## 234    2    22    2   weight    55
## 235    4    22    2   weight    64
## 236    6    22    2   weight    77
## 237    8    22    2   weight    90
## 238   10    22    2   weight    95
## 239   12    22    2   weight   108
## 240   14    22    2   weight   111
## 241   16    22    2   weight   131
## 242   18    22    2   weight   148
## 243   20    22    2   weight   164
## 244   21    22    2   weight   167
## 245    0    23    2   weight    43
## 246    2    23    2   weight    52
## 247    4    23    2   weight    61
## 248    6    23    2   weight    73
## 249    8    23    2   weight    90
## 250   10    23    2   weight   103
## 251   12    23    2   weight   127
## 252   14    23    2   weight   135
## 253   16    23    2   weight   145
## 254   18    23    2   weight   163
## 255   20    23    2   weight   170
## 256   21    23    2   weight   175
## 257    0    24    2   weight    42
## 258    2    24    2   weight    52
## 259    4    24    2   weight    58
## 260    6    24    2   weight    74
## 261    8    24    2   weight    66
## 262   10    24    2   weight    68
## 263   12    24    2   weight    70
## 264   14    24    2   weight    71
## 265   16    24    2   weight    72
## 266   18    24    2   weight    72
## 267   20    24    2   weight    76
## 268   21    24    2   weight    74
## 269    0    25    2   weight    40
## 270    2    25    2   weight    49
## 271    4    25    2   weight    62
## 272    6    25    2   weight    78
## 273    8    25    2   weight   102
## 274   10    25    2   weight   124
## 275   12    25    2   weight   146
## 276   14    25    2   weight   164
## 277   16    25    2   weight   197
## 278   18    25    2   weight   231
## 279   20    25    2   weight   259
## 280   21    25    2   weight   265
## 281    0    26    2   weight    42
## 282    2    26    2   weight    48
## 283    4    26    2   weight    57
## 284    6    26    2   weight    74
## 285    8    26    2   weight    93
## 286   10    26    2   weight   114
## 287   12    26    2   weight   136
## 288   14    26    2   weight   147
## 289   16    26    2   weight   169
## 290   18    26    2   weight   205
## 291   20    26    2   weight   236
## 292   21    26    2   weight   251
## 293    0    27    2   weight    39
## 294    2    27    2   weight    46
## 295    4    27    2   weight    58
## 296    6    27    2   weight    73
## 297    8    27    2   weight    87
## 298   10    27    2   weight   100
## 299   12    27    2   weight   115
## 300   14    27    2   weight   123
## 301   16    27    2   weight   144
## 302   18    27    2   weight   163
## 303   20    27    2   weight   185
## 304   21    27    2   weight   192
## 305    0    28    2   weight    39
## 306    2    28    2   weight    46
## 307    4    28    2   weight    58
## 308    6    28    2   weight    73
## 309    8    28    2   weight    92
## 310   10    28    2   weight   114
## 311   12    28    2   weight   145
## 312   14    28    2   weight   156
## 313   16    28    2   weight   184
## 314   18    28    2   weight   207
## 315   20    28    2   weight   212
## 316   21    28    2   weight   233
## 317    0    29    2   weight    39
## 318    2    29    2   weight    48
## 319    4    29    2   weight    59
## 320    6    29    2   weight    74
## 321    8    29    2   weight    87
## 322   10    29    2   weight   106
## 323   12    29    2   weight   134
## 324   14    29    2   weight   150
## 325   16    29    2   weight   187
## 326   18    29    2   weight   230
## 327   20    29    2   weight   279
## 328   21    29    2   weight   309
## 329    0    30    2   weight    42
## 330    2    30    2   weight    48
## 331    4    30    2   weight    59
## 332    6    30    2   weight    72
## 333    8    30    2   weight    85
## 334   10    30    2   weight    98
## 335   12    30    2   weight   115
## 336   14    30    2   weight   122
## 337   16    30    2   weight   143
## 338   18    30    2   weight   151
## 339   20    30    2   weight   157
## 340   21    30    2   weight   150
## 341    0    31    3   weight    42
## 342    2    31    3   weight    53
## 343    4    31    3   weight    62
## 344    6    31    3   weight    73
## 345    8    31    3   weight    85
## 346   10    31    3   weight   102
## 347   12    31    3   weight   123
## 348   14    31    3   weight   138
## 349   16    31    3   weight   170
## 350   18    31    3   weight   204
## 351   20    31    3   weight   235
## 352   21    31    3   weight   256
## 353    0    32    3   weight    41
## 354    2    32    3   weight    49
## 355    4    32    3   weight    65
## 356    6    32    3   weight    82
## 357    8    32    3   weight   107
## 358   10    32    3   weight   129
## 359   12    32    3   weight   159
## 360   14    32    3   weight   179
## 361   16    32    3   weight   221
## 362   18    32    3   weight   263
## 363   20    32    3   weight   291
## 364   21    32    3   weight   305
## 365    0    33    3   weight    39
## 366    2    33    3   weight    50
## 367    4    33    3   weight    63
## 368    6    33    3   weight    77
## 369    8    33    3   weight    96
## 370   10    33    3   weight   111
## 371   12    33    3   weight   137
## 372   14    33    3   weight   144
## 373   16    33    3   weight   151
## 374   18    33    3   weight   146
## 375   20    33    3   weight   156
## 376   21    33    3   weight   147
## 377    0    34    3   weight    41
## 378    2    34    3   weight    49
## 379    4    34    3   weight    63
## 380    6    34    3   weight    85
## 381    8    34    3   weight   107
## 382   10    34    3   weight   134
## 383   12    34    3   weight   164
## 384   14    34    3   weight   186
## 385   16    34    3   weight   235
## 386   18    34    3   weight   294
## 387   20    34    3   weight   327
## 388   21    34    3   weight   341
## 389    0    35    3   weight    41
## 390    2    35    3   weight    53
## 391    4    35    3   weight    64
## 392    6    35    3   weight    87
## 393    8    35    3   weight   123
## 394   10    35    3   weight   158
## 395   12    35    3   weight   201
## 396   14    35    3   weight   238
## 397   16    35    3   weight   287
## 398   18    35    3   weight   332
## 399   20    35    3   weight   361
## 400   21    35    3   weight   373
## 401    0    36    3   weight    39
## 402    2    36    3   weight    48
## 403    4    36    3   weight    61
## 404    6    36    3   weight    76
## 405    8    36    3   weight    98
## 406   10    36    3   weight   116
## 407   12    36    3   weight   145
## 408   14    36    3   weight   166
## 409   16    36    3   weight   198
## 410   18    36    3   weight   227
## 411   20    36    3   weight   225
## 412   21    36    3   weight   220
## 413    0    37    3   weight    41
## 414    2    37    3   weight    48
## 415    4    37    3   weight    56
## 416    6    37    3   weight    68
## 417    8    37    3   weight    80
## 418   10    37    3   weight    83
## 419   12    37    3   weight   103
## 420   14    37    3   weight   112
## 421   16    37    3   weight   135
## 422   18    37    3   weight   157
## 423   20    37    3   weight   169
## 424   21    37    3   weight   178
## 425    0    38    3   weight    41
## 426    2    38    3   weight    49
## 427    4    38    3   weight    61
## 428    6    38    3   weight    74
## 429    8    38    3   weight    98
## 430   10    38    3   weight   109
## 431   12    38    3   weight   128
## 432   14    38    3   weight   154
## 433   16    38    3   weight   192
## 434   18    38    3   weight   232
## 435   20    38    3   weight   280
## 436   21    38    3   weight   290
## 437    0    39    3   weight    42
## 438    2    39    3   weight    50
## 439    4    39    3   weight    61
## 440    6    39    3   weight    78
## 441    8    39    3   weight    89
## 442   10    39    3   weight   109
## 443   12    39    3   weight   130
## 444   14    39    3   weight   146
## 445   16    39    3   weight   170
## 446   18    39    3   weight   214
## 447   20    39    3   weight   250
## 448   21    39    3   weight   272
## 449    0    40    3   weight    41
## 450    2    40    3   weight    55
## 451    4    40    3   weight    66
## 452    6    40    3   weight    79
## 453    8    40    3   weight   101
## 454   10    40    3   weight   120
## 455   12    40    3   weight   154
## 456   14    40    3   weight   182
## 457   16    40    3   weight   215
## 458   18    40    3   weight   262
## 459   20    40    3   weight   295
## 460   21    40    3   weight   321
## 461    0    41    4   weight    42
## 462    2    41    4   weight    51
## 463    4    41    4   weight    66
## 464    6    41    4   weight    85
## 465    8    41    4   weight   103
## 466   10    41    4   weight   124
## 467   12    41    4   weight   155
## 468   14    41    4   weight   153
## 469   16    41    4   weight   175
## 470   18    41    4   weight   184
## 471   20    41    4   weight   199
## 472   21    41    4   weight   204
## 473    0    42    4   weight    42
## 474    2    42    4   weight    49
## 475    4    42    4   weight    63
## 476    6    42    4   weight    84
## 477    8    42    4   weight   103
## 478   10    42    4   weight   126
## 479   12    42    4   weight   160
## 480   14    42    4   weight   174
## 481   16    42    4   weight   204
## 482   18    42    4   weight   234
## 483   20    42    4   weight   269
## 484   21    42    4   weight   281
## 485    0    43    4   weight    42
## 486    2    43    4   weight    55
## 487    4    43    4   weight    69
## 488    6    43    4   weight    96
## 489    8    43    4   weight   131
## 490   10    43    4   weight   157
## 491   12    43    4   weight   184
## 492   14    43    4   weight   188
## 493   16    43    4   weight   197
## 494   18    43    4   weight   198
## 495   20    43    4   weight   199
## 496   21    43    4   weight   200
## 497    0    44    4   weight    42
## 498    2    44    4   weight    51
## 499    4    44    4   weight    65
## 500    6    44    4   weight    86
## 501    8    44    4   weight   103
## 502   10    44    4   weight   118
## 503   12    44    4   weight   127
## 504   14    44    4   weight   138
## 505   16    44    4   weight   145
## 506   18    44    4   weight   146
## 507    0    45    4   weight    41
## 508    2    45    4   weight    50
## 509    4    45    4   weight    61
## 510    6    45    4   weight    78
## 511    8    45    4   weight    98
## 512   10    45    4   weight   117
## 513   12    45    4   weight   135
## 514   14    45    4   weight   141
## 515   16    45    4   weight   147
## 516   18    45    4   weight   174
## 517   20    45    4   weight   197
## 518   21    45    4   weight   196
## 519    0    46    4   weight    40
## 520    2    46    4   weight    52
## 521    4    46    4   weight    62
## 522    6    46    4   weight    82
## 523    8    46    4   weight   101
## 524   10    46    4   weight   120
## 525   12    46    4   weight   144
## 526   14    46    4   weight   156
## 527   16    46    4   weight   173
## 528   18    46    4   weight   210
## 529   20    46    4   weight   231
## 530   21    46    4   weight   238
## 531    0    47    4   weight    41
## 532    2    47    4   weight    53
## 533    4    47    4   weight    66
## 534    6    47    4   weight    79
## 535    8    47    4   weight   100
## 536   10    47    4   weight   123
## 537   12    47    4   weight   148
## 538   14    47    4   weight   157
## 539   16    47    4   weight   168
## 540   18    47    4   weight   185
## 541   20    47    4   weight   210
## 542   21    47    4   weight   205
## 543    0    48    4   weight    39
## 544    2    48    4   weight    50
## 545    4    48    4   weight    62
## 546    6    48    4   weight    80
## 547    8    48    4   weight   104
## 548   10    48    4   weight   125
## 549   12    48    4   weight   154
## 550   14    48    4   weight   170
## 551   16    48    4   weight   222
## 552   18    48    4   weight   261
## 553   20    48    4   weight   303
## 554   21    48    4   weight   322
## 555    0    49    4   weight    40
## 556    2    49    4   weight    53
## 557    4    49    4   weight    64
## 558    6    49    4   weight    85
## 559    8    49    4   weight   108
## 560   10    49    4   weight   128
## 561   12    49    4   weight   152
## 562   14    49    4   weight   166
## 563   16    49    4   weight   184
## 564   18    49    4   weight   203
## 565   20    49    4   weight   233
## 566   21    49    4   weight   237
## 567    0    50    4   weight    41
## 568    2    50    4   weight    54
## 569    4    50    4   weight    67
## 570    6    50    4   weight    84
## 571    8    50    4   weight   105
## 572   10    50    4   weight   122
## 573   12    50    4   weight   155
## 574   14    50    4   weight   175
## 575   16    50    4   weight   205
## 576   18    50    4   weight   234
## 577   20    50    4   weight   264
## 578   21    50    4   weight   264
acast(chick_m, time~variable, mean) #average effect of time
##       weight
## 0   41.06000
## 2   49.22000
## 4   59.95918
## 6   74.30612
## 8   91.24490
## 10 107.83673
## 12 129.24490
## 14 143.81250
## 16 168.08511
## 18 190.19149
## 20 209.71739
## 21 218.68889
acast(chick_m, diet~variable, mean) #average effect of diet
##     weight
## 1 102.6455
## 2 122.6167
## 3 142.9500
## 4 135.2627
acast(chick_m, diet~time, mean) #average effect of diet & time
##      0     2        4        6         8        10       12       14       16
## 1 41.4 47.25 56.47368 66.78947  79.68421  93.05263 108.5263 123.3889 144.6471
## 2 40.7 49.40 59.80000 75.40000  91.70000 108.50000 131.3000 141.9000 164.7000
## 3 40.8 50.40 62.20000 77.90000  98.40000 117.10000 144.4000 164.5000 197.4000
## 4 41.0 51.80 64.50000 83.90000 105.60000 126.00000 151.4000 161.8000 182.0000
##         18       20       21
## 1 158.9412 170.4118 177.7500
## 2 187.7000 205.6000 214.7000
## 3 233.1000 258.9000 270.3000
## 4 202.9000 233.8889 238.5556