#Mengambil data dari format csv ke Rstudio

Rawdata <- read.csv(file = "C:/Users/User/OneDrive/Documents/Mandarel/avgIQpercountry.csv", header = TRUE, sep=",")
Rawdata
##     Rank                          Country Average.IQ       Continent
## 1      1                            Japan     106.48            Asia
## 2      2                           Taiwan     106.47            Asia
## 3      3                        Singapore     105.89            Asia
## 4      4                        Hong Kong     105.37            Asia
## 5      5                            China     104.10            Asia
## 6      6                      South Korea     102.35            Asia
## 7      7                          Belarus     101.60          Europe
## 8      8                          Finland     101.20          Europe
## 9      9                    Liechtenstein     101.07          Europe
## 10    10                          Germany     100.74          Europe
## 11    11                      Netherlands     100.74          Europe
## 12    12                          Estonia     100.72          Europe
## 13    13                       Luxembourg      99.87          Europe
## 14    14                            Macao      99.82            Asia
## 15    15                         Cambodia      99.75            Asia
## 16    16                           Canada      99.52   North America
## 17    17                        Australia      99.24         Oceania
## 18    18                          Hungary      99.24          Europe
## 19    19                      Switzerland      99.24          Europe
## 20    20                   United Kingdom      99.12          Europe
## 21    21                      North Korea      98.82            Asia
## 22    22                         Slovenia      98.60          Europe
## 23    23                      New Zealand      98.57         Oceania
## 24    24                          Austria      98.38          Europe
## 25    25                          Iceland      98.26          Europe
## 26    26                          Denmark      97.83          Europe
## 27    27                          Belgium      97.49          Europe
## 28    28                    United States      97.43   North America
## 29    29                           Norway      97.13          Europe
## 30    30                           Sweden      97.00          Europe
## 31    31                           France      96.69          Europe
## 32    32                           Poland      96.35          Europe
## 33    33                         Slovakia      96.32          Europe
## 34    34                           Russia      96.29     Europe/Asia
## 35    35                        Lithuania      95.89          Europe
## 36    36                          Croatia      95.75          Europe
## 37    37                          Andorra      95.20          Europe
## 38    38                          Ireland      95.13          Europe
## 39    39                   Czech republic      94.92          Europe
## 40    40                           Latvia      94.79          Europe
## 41    41                            Italy      94.23          Europe
## 42    42                    New Caledonia      93.92         Oceania
## 43    43                          Vanuatu      93.92         Oceania
## 44    44                            Spain      93.90          Europe
## 45    45                          Bermuda      93.48   North America
## 46    46                           Cyprus      93.39          Europe
## 47    47                         Portugal      92.77          Europe
## 48    48                           Israel      92.43            Asia
## 49    49                         Barbados      91.60 Central America
## 50    50                            Malta      91.27          Europe
## 51    51                          Myanmar      91.18            Asia
## 52    52                         Mongolia      91.03            Asia
## 53    53                         Bulgaria      90.99          Europe
## 54    54                           Greece      90.77          Europe
## 55    55                         Suriname      90.29   South America
## 56    56                          Ukraine      90.07          Europe
## 57    57                         Moldavia      89.98          Europe
## 58    58                           Serbia      89.60          Europe
## 59    59                          Vietnam      89.53            Asia
## 60    60                             Iraq      89.28            Asia
## 61    61                       Uzbekistan      89.01            Asia
## 62    62                       Kazakhstan      88.89            Asia
## 63    63                         Thailand      88.87            Asia
## 64    64                          Armenia      88.82            Asia
## 65    65           Bosnia and Herzegovina      88.54          Europe
## 66    66                       Costa Rica      88.34 Central America
## 67    67                           Bhutan      87.94            Asia
## 68    68                            Chile      87.89   South America
## 69    69                           Mexico      87.73   North America
## 70    70                       Tajikistan      87.71            Asia
## 71    71                          Uruguay      87.59   South America
## 72    72                           Brunei      87.58            Asia
## 73    73                         Malaysia      87.58            Asia
## 74    74                          Bahamas      86.99 Central America
## 75    75                          Romania      86.88          Europe
## 76    76                          Türkiye      86.80     Europe/Asia
## 77    77                        Argentina      86.63   South America
## 78    78                        Sri Lanka      86.62            Asia
## 79    79                        Mauritius      86.56          Africa
## 80    80                     Turkmenistan      85.86            Asia
## 81    81                       Montenegro      85.78          Europe
## 82    82              Trinidad and Tobago      85.63 Central America
## 83    83                       Azerbaijan      84.81            Asia
## 84    84                          Georgia      84.50     Europe/Asia
## 85    85         Turks and Caicos Islands      84.29 Central America
## 86    86                         Paraguay      84.04   South America
## 87    87   Federated States of Micronesia      83.96         Oceania
## 88    88                             Fiji      83.96         Oceania
## 89    89                 Marshall Islands      83.96         Oceania
## 90    90                  Solomon Islands      83.96         Oceania
## 91    91                             Cuba      83.90 Central America
## 92    92                          Bahrain      83.60            Asia
## 93    93                           Brazil      83.38   South America
## 94    94                           Guyana      83.23   South America
## 95    95                         Colombia      83.13   South America
## 96    96                        Venezuela      82.99   South America
## 97    97                   Cayman Islands      82.24 Central America
## 98    98                      Afghanistan      82.12            Asia
## 99    99                            Haiti      82.10 Central America
## 100  100               Dominican Republic      82.05 Central America
## 101  101             United Arab Emirates      82.05            Asia
## 102  102                      Puerto Rico      81.99 Central America
## 103  103                  North Macedonia      81.91          Europe
## 104  104                          Albania      81.75          Europe
## 105  105                          Lebanon      81.70            Asia
## 106  106                      Philippines      81.64            Asia
## 107  107                             Peru      81.44   South America
## 108  108         Northern Mariana Islands      81.36         Oceania
## 109  109                             Laos      80.99            Asia
## 110  110                            Libya      80.92          Africa
## 111  111                            Qatar      80.78            Asia
## 112  112                           Jordan      80.70            Asia
## 113  113                         Maldives      80.54            Asia
## 114  114                             Iran      80.01            Asia
## 115  115                         Pakistan      80.00            Asia
## 116  116                          Grenade      79.34 Central America
## 117  117                          Tunisia      79.22          Africa
## 118  118                       Kyrgyzstan      79.09            Asia
## 119  119                           Panama      79.00 Central America
## 120  120                             Chad      78.87          Africa
## 121  121                            Sudan      78.87          Africa
## 122  122                       Seychelles      78.76          Africa
## 123  123                             Oman      78.70            Asia
## 124  124                           Kuwait      78.64            Asia
## 125  125                       East Timor      78.49            Asia
## 126  126                        Indonesia      78.49            Asia
## 127  127                 Papua New Guinea      78.49         Oceania
## 128  128                          Ecuador      78.26   South America
## 129  129                        Palestine      77.69            Asia
## 130  130                          Senegal      77.37          Africa
## 131  131                          Comoros      77.07          Africa
## 132  132                       Madagascar      76.79          Africa
## 133  133           British Virgin Islands      76.69 Central America
## 134  134                          Bolivia      76.53   South America
## 135  135                           Uganda      76.42          Africa
## 136  136                     Saudi Arabia      76.36            Asia
## 137  137                            Egypt      76.32          Africa
## 138  138                            India      76.24            Asia
## 139  139                          Algeria      76.00          Africa
## 140  140                            Kenya      75.20          Africa
## 141  141                           Angola      75.10          Africa
## 142  142                          Jamaica      75.08 Central America
## 143  143                         Tanzania      74.95          Africa
## 144  144                            Syria      74.41            Asia
## 145  145                       Bangladesh      74.33            Asia
## 146  146                         Zimbabwe      74.01          Africa
## 147  147                     Burkina Faso      73.80          Africa
## 148  148                      Saint Lucia      73.68 Central America
## 149  149                       Mozambique      72.50          Africa
## 150  150                          Burundi      72.09          Africa
## 151  151                            Niger      70.82          Africa
## 152  152              Antigua and Barbuda      70.48 Central America
## 153  153                           Rwanda      69.95          Africa
## 154  154                            Benin      69.71          Africa
## 155  155                           Malawi      69.70          Africa
## 156  156                      El Salvador      69.63 Central America
## 157  157                         Botswana      69.45          Africa
## 158  158                          Lesotho      68.87          Africa
## 159  159                     South Africa      68.87          Africa
## 160  160                         Eswatini      68.87          Africa
## 161  161                          Eritrea      68.77          Africa
## 162  162                     Saint Helena      68.74          Africa
## 163  163                           Zambia      68.43          Africa
## 164  164                         Ethiopia      68.42          Africa
## 165  165                         Djibouti      68.41          Africa
## 166  166                         Cameroon      67.76          Africa
## 167  167                          Nigeria      67.76          Africa
## 168  168                          Somalia      67.67          Africa
## 169  169                          Morocco      67.03          Africa
## 170  170                          Namibia      66.19          Africa
## 171  171                         Dominica      66.03 Central America
## 172  172            Sao Tome and Principe      65.22          Africa
## 173  173                            Congo      64.92          Africa
## 174  174 Saint Vincent and the Grenadines      63.42 Central America
## 175  175                            Gabon      62.97          Africa
## 176  176                   Congo Republic      62.97          Africa
## 177  177                            Yemen      62.86            Asia
## 178  178                           Belize      62.55 Central America
## 179  179         Central African Republic      62.55          Africa
## 180  180                         Honduras      62.16 Central America
## 181  181                             Togo      59.83          Africa
## 182  182                             Mali      59.76          Africa
## 183  183                       Mauritania      59.76          Africa
## 184  184                      South Sudan      58.61          Africa
## 185  185                            Ghana      58.16          Africa
## 186  186                  Costa do Marfim      58.16          Africa
## 187  187                           Guinea      53.48          Africa
## 188  188                        Nicaragua      52.69 Central America
## 189  189                           Gambia      52.68          Africa
## 190  190                        Guatemala      47.72 Central America
## 191  191                          Liberia      45.07          Africa
## 192  192                     Sierra Leone      45.07          Africa
## 193  193                            Nepal      42.99            Asia
##     Literacy.Rate Nobel.Prices HDI..2021. Mean.years.of.schooling...2021
## 1            0.99           29      0.925                           13.4
## 2            0.96            4         NA                             NA
## 3            0.97            0      0.939                           11.9
## 4            0.94            1      0.952                           12.2
## 5            0.96            8      0.768                            7.6
## 6            0.98            0      0.925                           12.5
## 7            1.00            2      0.808                           12.1
## 8            1.00            5      0.940                           12.9
## 9            1.00            0      0.935                           12.5
## 10           0.99          111      0.942                           14.1
## 11           0.99           22      0.941                           12.6
## 12           1.00            0      0.890                           13.5
## 13           1.00            2      0.930                           13.0
## 14           0.97            0         NA                             NA
## 15           0.78            0      0.593                            5.1
## 16           0.99           28      0.936                           13.8
## 17           0.99           12      0.951                           12.7
## 18           0.99           13      0.846                           12.2
## 19           0.99           27      0.962                           13.9
## 20           0.99          137      0.929                           13.4
## 21           1.00            0         NA                             NA
## 22           1.00            1      0.918                           12.8
## 23           0.99            3      0.937                           12.9
## 24           0.98           22      0.916                           12.3
## 25           0.99            1      0.959                           13.8
## 26           0.99           13      0.948                           13.0
## 27           0.99           11      0.937                           12.4
## 28           0.99          400      0.921                           13.7
## 29           1.00           13      0.961                           13.0
## 30           0.99           32      0.947                           12.6
## 31           0.99           71      0.903                           11.6
## 32           1.00           19      0.876                           13.2
## 33           1.00            0      0.848                           12.9
## 34           1.00            0      0.822                           12.8
## 35           1.00            3      0.875                           13.5
## 36           0.99            2      0.858                           12.2
## 37           1.00            0      0.858                           10.6
## 38           0.99           11      0.945                           11.6
## 39           0.99            6      0.889                           12.9
## 40           1.00            1      0.863                           13.3
## 41           0.99           21      0.895                           10.7
## 42           0.97            0         NA                             NA
## 43           0.85            0      0.607                            7.1
## 44           0.98            8      0.905                           10.6
## 45           0.98            0         NA                             NA
## 46           0.99            1      0.896                           12.4
## 47           0.95            2      0.866                            9.6
## 48           0.97           13      0.919                           13.3
## 49           1.00            0      0.790                            9.9
## 50           0.94            0      0.918                           12.2
## 51           0.93            1      0.585                            6.4
## 52           0.98            0      0.739                            9.4
## 53           0.98            1      0.795                           11.4
## 54           0.95            2      0.887                           11.4
## 55           0.96            0      0.730                            9.8
## 56           1.00            6      0.773                           11.1
## 57           0.99            0      0.767                           11.8
## 58           0.98            0      0.802                           11.4
## 59           0.95            1      0.703                            8.4
## 60           0.80            1      0.686                            7.9
## 61           1.00            0      0.727                           11.9
## 62           1.00            0      0.811                           12.3
## 63           0.94            0      0.800                            8.7
## 64           1.00            0      0.759                           11.3
## 65           0.98            2      0.780                           10.5
## 66           0.98            1      0.809                            8.8
## 67           0.64            0      0.666                            5.2
## 68           0.97            2      0.855                           10.9
## 69           0.95            3      0.758                            9.2
## 70           1.00            0      0.685                           11.3
## 71           0.98            0      0.809                            9.0
## 72           0.97            0      0.829                            9.2
## 73           0.95            0      0.803                           10.6
## 74           0.96            0      0.812                           12.6
## 75           0.99            5      0.821                           11.3
## 76           0.96            2      0.838                            8.6
## 77           0.98            5      0.842                           11.1
## 78           0.93            0      0.782                           10.8
## 79           0.91            0      0.802                           10.4
## 80           1.00            0      0.745                           11.3
## 81           0.99            0      0.832                           12.2
## 82           0.99            1      0.810                           11.6
## 83           1.00            1      0.745                           10.5
## 84           1.00            0      0.802                           12.8
## 85           0.98            0         NA                             NA
## 86           0.96            0      0.717                            8.9
## 87           0.89            0      0.628                            7.8
## 88           0.94            0      0.730                           10.9
## 89           0.98            0      0.639                           10.9
## 90           0.84            0      0.564                            5.7
## 91           1.00            0      0.764                           12.5
## 92           0.96            0      0.875                           11.0
## 93           0.93            0      0.754                            8.1
## 94           0.88            0      0.714                            8.6
## 95           0.95            2      0.752                            8.9
## 96           0.95            1      0.691                           11.1
## 97           0.99            0         NA                             NA
## 98           0.38            0      0.478                            3.0
## 99           0.61            0      0.535                            5.6
## 100          0.92            0      0.767                            9.3
## 101          0.93            0      0.911                           12.7
## 102          0.93            0         NA                             NA
## 103          0.98            0      0.770                           10.2
## 104          0.98            0      0.796                           11.3
## 105          0.94            0      0.706                            8.7
## 106          0.97            1      0.699                            9.0
## 107          0.94            1      0.762                            9.9
## 108          0.97            0         NA                             NA
## 109          0.80            0      0.607                            5.4
## 110          0.91            0      0.718                            7.6
## 111          0.98            0      0.855                           10.0
## 112          0.98            0      0.720                           10.4
## 113          0.99            0      0.747                            7.3
## 114          0.87            1      0.774                           10.6
## 115          0.56            2      0.544                            4.5
## 116          0.96            0      0.795                            9.0
## 117          0.81            1      0.731                            7.4
## 118          0.99            0      0.692                           11.4
## 119          0.95            0      0.805                           10.5
## 120          0.40            0      0.394                            2.6
## 121          0.59            0      0.508                            3.8
## 122          0.95            0      0.785                           10.3
## 123          0.94            0      0.816                           11.7
## 124          0.96            0      0.831                            7.3
## 125          0.64            0         NA                             NA
## 126          0.95            0      0.705                            8.6
## 127          0.63            0      0.558                            4.7
## 128          0.95            0      0.740                            8.8
## 129          0.97            1      0.715                            9.9
## 130          0.56            0      0.511                            2.9
## 131          0.78            0      0.558                            5.1
## 132          0.65            0      0.501                            5.1
## 133          0.98            0         NA                             NA
## 134          0.95            0      0.692                            9.8
## 135          0.74            0      0.525                            5.7
## 136          0.95            0      0.875                           11.3
## 137          0.76            4      0.731                            9.6
## 138          0.72           12      0.633                            6.7
## 139          0.80            2      0.745                            8.1
## 140          0.78            1      0.575                            6.7
## 141          0.71            0      0.586                            5.4
## 142          0.89            0      0.709                            9.2
## 143          0.80            1      0.549                            6.4
## 144          0.86            0      0.577                            5.1
## 145          0.61            2      0.661                            7.4
## 146          0.87            0      0.593                            8.7
## 147          0.38            0      0.449                            2.1
## 148          0.90            2      0.715                            8.5
## 149          0.59            0      0.446                            3.2
## 150          0.85            0      0.426                            3.1
## 151          0.19            0      0.400                            2.1
## 152          0.99            0      0.788                            9.3
## 153          0.71            0      0.534                            4.4
## 154          0.38            0      0.525                            4.3
## 155          0.66            0      0.512                            4.5
## 156          0.88            0      0.675                            7.2
## 157          0.88            0      0.693                           10.3
## 158          0.79            0      0.514                            6.0
## 159          0.95           11      0.713                           11.4
## 160          0.87            0      0.597                            5.6
## 161          0.74            0      0.492                            4.9
## 162          0.97            0         NA                             NA
## 163          0.85            0      0.565                            7.2
## 164          0.49            1      0.498                            3.2
## 165          0.68            0      0.509                            4.1
## 166          0.75            0      0.576                            6.2
## 167          0.60            1      0.535                            7.2
## 168          0.38            0         NA                             NA
## 169          0.72            1      0.683                            5.9
## 170          0.91            0      0.615                            7.2
## 171          0.94            0      0.720                            8.1
## 172          0.92            0      0.618                            6.2
## 173          0.77            0      0.571                            6.2
## 174          0.96            0      0.751                           10.8
## 175          0.83            0      0.706                            9.4
## 176          0.79            0      0.479                            7.0
## 177          0.70            1      0.455                            3.2
## 178          0.83            0      0.683                            8.8
## 179          0.37            0      0.404                            4.3
## 180          0.88            0      0.621                            7.1
## 181          0.67            0      0.539                            5.0
## 182          0.33            0      0.428                            2.3
## 183          0.52            0      0.556                            4.9
## 184          0.32            0      0.385                            5.7
## 185          0.77            1      0.632                            8.3
## 186          0.43            0         NA                             NA
## 187          0.30            0      0.465                            2.2
## 188          0.82            0      0.667                            7.1
## 189          0.58            0      0.500                            4.6
## 190          0.79            2      0.627                            5.7
## 191          0.48            2      0.481                            5.1
## 192          0.48            0      0.477                            4.6
## 193          0.65            0      0.602                            5.1
##     GNI...2021 Population...2023
## 1        42274         123294513
## 2           NA          10143543
## 3        90919           6014723
## 4        62607           7491609
## 5        17504        1425671352
## 6        44501          51784059
## 7        18849           9498238
## 8        49452           5545475
## 9       146830           \t39315
## 10       54534          83294633
## 11       55979          17618299
## 12       38048           1322766
## 13       84649           654.768
## 14          NA            704.15
## 15        4079          16944826
## 16       46808          38781292
## 17       49238          26439112
## 18       32789          10156239
## 19       66933           8796669
## 20       45225          67736802
## 21          NA          26160822
## 22       39746           2119675
## 23       44057           5228100
## 24       53619           8958961
## 25       55782           375.319
## 26       60365           5910913
## 27       52293          11686140
## 28       64765         339996564
## 29       64660           5474360
## 30       54489          10612086
## 31       45937          64756584
## 32       33034          41026068
## 33       30690           5795199
## 34       27166         144444359
## 35       37931           2718352
## 36       30132           4008617
## 37       51167            76.965
## 38       76169           5056935
## 39       38745          10495295
## 40       32803           1830212
## 41       42840          58870763
## 42          NA           292.991
## 43        3085           334.506
## 44       38354          47519628
## 45          NA            63.837
## 46       38188           1260138
## 47       33155          10247605
## 48       41524           9174520
## 49       12306           281.996
## 50       38884           535.065
## 51        3851          54577997
## 52       10588           3447157
## 53       23079           6687717
## 54       29002          10341277
## 55       12672           623.237
## 56       13256          36744634
## 57       14875           3435931
## 58       19123           7149077
## 59        7867          98858950
## 60        9977          45504560
## 61        7917          35163944
## 62       23943          19606634
## 63       17030          71801279
## 64       13158           2777971
## 65       15242           3210848
## 66       19974           5212173
## 67        9438           787.425
## 68       24563          19629590
## 69       17896         128455567
## 70        4548          10143543
## 71       21269           3423109
## 72       64490           452.524
## 73       26658          34308525
## 74       30486           412.624
## 75       30027          19892812
## 76       31033          85816199
## 77       20925          45773884
## 78       12578          21893579
## 79       22025           1300557
## 80       13021           6516100
## 81       20839           626.485
## 82       23392           1534937
## 83       14257          10412652
## 84       14664           3728282
## 85          NA            44.104
## 86       12349           6861524
## 87        3696           115.224
## 88        9980           936.375
## 89        4620            41.996
## 90        2482           740.425
## 91        7879          11194449
## 92       39497           1485510
## 93       14370         216422446
## 94       22465           813.834
## 95       14384          52085168
## 96        4811          28838499
## 97          NA             69310
## 98        1824          42239854
## 99        2848          11724764
## 100      17990          11332973
## 101      62574           9516871
## 102         NA           3260314
## 103      15918           2085679
## 104      14131           2832439
## 105       9526           5353930
## 106       8920         117337368
## 107      12246          34352719
## 108         NA            49.796
## 109       7700           7633779
## 110      15336           6888388
## 111      87134           2716391
## 112       9924          11337053
## 113      15448           521.022
## 114      13001          89172767
## 115       4624         240485658
## 116      13484           126.184
## 117      10258          12458223
## 118       4566           6735348
## 119      26957           4468087
## 120       1364          18278568
## 121       3575          48109006
## 122      25831            107.66
## 123      27054           4644384
## 124      52920           4310108
## 125         NA           1360596
## 126      11466         277534123
## 127       4009          10329931
## 128      10312          18190484
## 129       6583           5040000
## 130       3344          17763163
## 131       3142           852.075
## 132       1484          30325732
## 133         NA             32291
## 134       8111          12388571
## 135       2181          48582334
## 136      46112          36947025
## 137      11732         112716599
## 138       6590        1428627663
## 139      10800          45606481
## 140       4474          55100587
## 141       5466          36684203
## 142       8834           2825544
## 143       2664          67438106
## 144       4192          23227014
## 145       5472         172954319
## 146       3810          16665409
## 147       2118          23251485
## 148      12048           180.251
## 149       1198          33897354
## 150        732          13238559
## 151       1240          27202843
## 152      16792            94.298
## 153       2210          14094683
## 154       3409          13712828
## 155       1466          20931751
## 156       8296           6364943
## 157      16198           2675353
## 158       2700           2330318
## 159      12948          60414495
## 160       7679           1210822
## 161       1729           3748902
## 162         NA             6.115
## 163       3218          20569738
## 164       2361         126527060
## 165       5025           1136455
## 166       3621          28647293
## 167       4790         223804632
## 168         NA          18143379
## 169       7303          37840044
## 170       8634           2604172
## 171      11488            73.161
## 172       4021           231.856
## 173       2889           6106869
## 174      11961           103.699
## 175      13367           2436567
## 176       1076         102262809
## 177       1314          34449825
## 178       6309           410.825
## 179        966           5742316
## 180       5298          10593798
## 181       2167           9053799
## 182       2133          23293699
## 183       5075           4862989
## 184        768          11088796
## 185       5745          34121985
## 186         NA          28873034
## 187       2481          14190612
## 188       5625           7046311
## 189       2172           2773168
## 190       8723          18092026
## 191       1289           5418377
## 192       1622           8791092
## 193       3877          30896590

#Membuat Rata-rata dari IQ masing-masing benua

library(dplyr)
## Warning: package 'dplyr' was built under R version 4.3.2
## 
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
hasil_rata_rata <- Rawdata %>%
  group_by(Continent) %>%
  summarize(rata_rata_iq = mean(Average.IQ, na.rm = TRUE)) %>% 
  arrange(desc(rata_rata_iq))
print(hasil_rata_rata)
## # A tibble: 8 × 2
##   Continent       rata_rata_iq
##   <chr>                  <dbl>
## 1 Europe                  94.9
## 2 North America           94.5
## 3 Europe/Asia             89.2
## 4 Oceania                 88.1
## 5 Asia                    85.8
## 6 South America           83.8
## 7 Central America         75.1
## 8 Africa                  68.6

#Membuat histogram rata-rata iq berdasarkan benua

library(ggplot2)
## Warning: package 'ggplot2' was built under R version 4.3.2
#Memunculkan 8 warna sesuai benua
custom_colors <- c("#1f78b4", "#33a02c", "#e31a1c", "#ff7f00", "#6a3d9a", "#a6cee3", "#b2df8a", "#fb9a99")
#Pembentukan histogram
ggplot(hasil_rata_rata, aes(x = hasil_rata_rata$Continent, y = hasil_rata_rata$rata_rata_iq, fill = Continent)) +
  geom_bar(stat = "identity", position = "dodge") +
  scale_fill_manual(values = custom_colors) + 
  labs(title = "Rata-rata IQ Berdasarkan Benua",
       x = "Continent",
       y = "Average IQ") +
  theme_minimal() +
  theme(axis.text.x = element_text(angle = 45, hjust = 1)) 
## Warning: Use of `hasil_rata_rata$Continent` is discouraged.
## ℹ Use `Continent` instead.
## Warning: Use of `hasil_rata_rata$rata_rata_iq` is discouraged.
## ℹ Use `rata_rata_iq` instead.

#Membuat Regresi antara Literacy Rate dengan Populasi di Benua Asia

dataAsia <- Rawdata %>%
  filter(Continent == "Asia")
dataAsia
##    Rank              Country Average.IQ Continent Literacy.Rate Nobel.Prices
## 1     1                Japan     106.48      Asia          0.99           29
## 2     2               Taiwan     106.47      Asia          0.96            4
## 3     3            Singapore     105.89      Asia          0.97            0
## 4     4            Hong Kong     105.37      Asia          0.94            1
## 5     5                China     104.10      Asia          0.96            8
## 6     6          South Korea     102.35      Asia          0.98            0
## 7    14                Macao      99.82      Asia          0.97            0
## 8    15             Cambodia      99.75      Asia          0.78            0
## 9    21          North Korea      98.82      Asia          1.00            0
## 10   48               Israel      92.43      Asia          0.97           13
## 11   51              Myanmar      91.18      Asia          0.93            1
## 12   52             Mongolia      91.03      Asia          0.98            0
## 13   59              Vietnam      89.53      Asia          0.95            1
## 14   60                 Iraq      89.28      Asia          0.80            1
## 15   61           Uzbekistan      89.01      Asia          1.00            0
## 16   62           Kazakhstan      88.89      Asia          1.00            0
## 17   63             Thailand      88.87      Asia          0.94            0
## 18   64              Armenia      88.82      Asia          1.00            0
## 19   67               Bhutan      87.94      Asia          0.64            0
## 20   70           Tajikistan      87.71      Asia          1.00            0
## 21   72               Brunei      87.58      Asia          0.97            0
## 22   73             Malaysia      87.58      Asia          0.95            0
## 23   78            Sri Lanka      86.62      Asia          0.93            0
## 24   80         Turkmenistan      85.86      Asia          1.00            0
## 25   83           Azerbaijan      84.81      Asia          1.00            1
## 26   92              Bahrain      83.60      Asia          0.96            0
## 27   98          Afghanistan      82.12      Asia          0.38            0
## 28  101 United Arab Emirates      82.05      Asia          0.93            0
## 29  105              Lebanon      81.70      Asia          0.94            0
## 30  106          Philippines      81.64      Asia          0.97            1
## 31  109                 Laos      80.99      Asia          0.80            0
## 32  111                Qatar      80.78      Asia          0.98            0
## 33  112               Jordan      80.70      Asia          0.98            0
## 34  113             Maldives      80.54      Asia          0.99            0
## 35  114                 Iran      80.01      Asia          0.87            1
## 36  115             Pakistan      80.00      Asia          0.56            2
## 37  118           Kyrgyzstan      79.09      Asia          0.99            0
## 38  123                 Oman      78.70      Asia          0.94            0
## 39  124               Kuwait      78.64      Asia          0.96            0
## 40  125           East Timor      78.49      Asia          0.64            0
## 41  126            Indonesia      78.49      Asia          0.95            0
## 42  129            Palestine      77.69      Asia          0.97            1
## 43  136         Saudi Arabia      76.36      Asia          0.95            0
## 44  138                India      76.24      Asia          0.72           12
## 45  144                Syria      74.41      Asia          0.86            0
## 46  145           Bangladesh      74.33      Asia          0.61            2
## 47  177                Yemen      62.86      Asia          0.70            1
## 48  193                Nepal      42.99      Asia          0.65            0
##    HDI..2021. Mean.years.of.schooling...2021 GNI...2021 Population...2023
## 1       0.925                           13.4      42274         123294513
## 2          NA                             NA         NA          10143543
## 3       0.939                           11.9      90919           6014723
## 4       0.952                           12.2      62607           7491609
## 5       0.768                            7.6      17504        1425671352
## 6       0.925                           12.5      44501          51784059
## 7          NA                             NA         NA            704.15
## 8       0.593                            5.1       4079          16944826
## 9          NA                             NA         NA          26160822
## 10      0.919                           13.3      41524           9174520
## 11      0.585                            6.4       3851          54577997
## 12      0.739                            9.4      10588           3447157
## 13      0.703                            8.4       7867          98858950
## 14      0.686                            7.9       9977          45504560
## 15      0.727                           11.9       7917          35163944
## 16      0.811                           12.3      23943          19606634
## 17      0.800                            8.7      17030          71801279
## 18      0.759                           11.3      13158           2777971
## 19      0.666                            5.2       9438           787.425
## 20      0.685                           11.3       4548          10143543
## 21      0.829                            9.2      64490           452.524
## 22      0.803                           10.6      26658          34308525
## 23      0.782                           10.8      12578          21893579
## 24      0.745                           11.3      13021           6516100
## 25      0.745                           10.5      14257          10412652
## 26      0.875                           11.0      39497           1485510
## 27      0.478                            3.0       1824          42239854
## 28      0.911                           12.7      62574           9516871
## 29      0.706                            8.7       9526           5353930
## 30      0.699                            9.0       8920         117337368
## 31      0.607                            5.4       7700           7633779
## 32      0.855                           10.0      87134           2716391
## 33      0.720                           10.4       9924          11337053
## 34      0.747                            7.3      15448           521.022
## 35      0.774                           10.6      13001          89172767
## 36      0.544                            4.5       4624         240485658
## 37      0.692                           11.4       4566           6735348
## 38      0.816                           11.7      27054           4644384
## 39      0.831                            7.3      52920           4310108
## 40         NA                             NA         NA           1360596
## 41      0.705                            8.6      11466         277534123
## 42      0.715                            9.9       6583           5040000
## 43      0.875                           11.3      46112          36947025
## 44      0.633                            6.7       6590        1428627663
## 45      0.577                            5.1       4192          23227014
## 46      0.661                            7.4       5472         172954319
## 47      0.455                            3.2       1314          34449825
## 48      0.602                            5.1       3877          30896590
SelectedTabelAsia <- dataAsia %>%
  select(Country, Literacy.Rate, Population...2023)
SelectedTabelAsia
##                 Country Literacy.Rate Population...2023
## 1                 Japan          0.99         123294513
## 2                Taiwan          0.96          10143543
## 3             Singapore          0.97           6014723
## 4             Hong Kong          0.94           7491609
## 5                 China          0.96        1425671352
## 6           South Korea          0.98          51784059
## 7                 Macao          0.97            704.15
## 8              Cambodia          0.78          16944826
## 9           North Korea          1.00          26160822
## 10               Israel          0.97           9174520
## 11              Myanmar          0.93          54577997
## 12             Mongolia          0.98           3447157
## 13              Vietnam          0.95          98858950
## 14                 Iraq          0.80          45504560
## 15           Uzbekistan          1.00          35163944
## 16           Kazakhstan          1.00          19606634
## 17             Thailand          0.94          71801279
## 18              Armenia          1.00           2777971
## 19               Bhutan          0.64           787.425
## 20           Tajikistan          1.00          10143543
## 21               Brunei          0.97           452.524
## 22             Malaysia          0.95          34308525
## 23            Sri Lanka          0.93          21893579
## 24         Turkmenistan          1.00           6516100
## 25           Azerbaijan          1.00          10412652
## 26              Bahrain          0.96           1485510
## 27          Afghanistan          0.38          42239854
## 28 United Arab Emirates          0.93           9516871
## 29              Lebanon          0.94           5353930
## 30          Philippines          0.97         117337368
## 31                 Laos          0.80           7633779
## 32                Qatar          0.98           2716391
## 33               Jordan          0.98          11337053
## 34             Maldives          0.99           521.022
## 35                 Iran          0.87          89172767
## 36             Pakistan          0.56         240485658
## 37           Kyrgyzstan          0.99           6735348
## 38                 Oman          0.94           4644384
## 39               Kuwait          0.96           4310108
## 40           East Timor          0.64           1360596
## 41            Indonesia          0.95         277534123
## 42            Palestine          0.97           5040000
## 43         Saudi Arabia          0.95          36947025
## 44                India          0.72        1428627663
## 45                Syria          0.86          23227014
## 46           Bangladesh          0.61         172954319
## 47                Yemen          0.70          34449825
## 48                Nepal          0.65          30896590

#Memasukkan Scatter Plot populasi dengan literacy rate Benua Asia

SelectedTabelAsia$Population...2023 <- as.numeric(SelectedTabelAsia$Population...2023) #Mengubah tipe data char menjadi numerik
str(SelectedTabelAsia)
## 'data.frame':    48 obs. of  3 variables:
##  $ Country          : chr  "Japan" "Taiwan" "Singapore" "Hong Kong" ...
##  $ Literacy.Rate    : num  0.99 0.96 0.97 0.94 0.96 0.98 0.97 0.78 1 0.97 ...
##  $ Population...2023: num  1.23e+08 1.01e+07 6.01e+06 7.49e+06 1.43e+09 ...
model <- lm(SelectedTabelAsia$Literacy.Rate ~ SelectedTabelAsia$Population...2023, SelectedTableAsia =  SelectedTabelAsia)
## Warning: In lm.fit(x, y, offset = offset, singular.ok = singular.ok, ...) :
##  extra argument 'SelectedTableAsia' will be disregarded
summary(model) #Melihat ringkasan model
## 
## Call:
## lm(formula = SelectedTabelAsia$Literacy.Rate ~ SelectedTabelAsia$Population...2023, 
##     SelectedTableAsia = SelectedTabelAsia)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.51758 -0.02806  0.05982  0.08105  0.15416 
## 
## Coefficients:
##                                       Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                          9.004e-01  2.182e-02  41.272   <2e-16 ***
## SelectedTabelAsia$Population...2023 -6.631e-11  7.281e-11  -0.911    0.367    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.143 on 46 degrees of freedom
## Multiple R-squared:  0.01771,    Adjusted R-squared:  -0.003644 
## F-statistic: 0.8294 on 1 and 46 DF,  p-value: 0.3672
#scatter plot
plot(SelectedTabelAsia$Population...2023, SelectedTabelAsia$Literacy.Rate, main = "Scatter Plot", xlab = "Populasi", ylab = "Literacy Rate")

#Korelasi antara populasi dengan literasi

SortedSelectedTabelAsia <- SelectedTabelAsia[-1]
SortedSelectedTabelAsia
##    Literacy.Rate Population...2023
## 1           0.99      1.232945e+08
## 2           0.96      1.014354e+07
## 3           0.97      6.014723e+06
## 4           0.94      7.491609e+06
## 5           0.96      1.425671e+09
## 6           0.98      5.178406e+07
## 7           0.97      7.041500e+02
## 8           0.78      1.694483e+07
## 9           1.00      2.616082e+07
## 10          0.97      9.174520e+06
## 11          0.93      5.457800e+07
## 12          0.98      3.447157e+06
## 13          0.95      9.885895e+07
## 14          0.80      4.550456e+07
## 15          1.00      3.516394e+07
## 16          1.00      1.960663e+07
## 17          0.94      7.180128e+07
## 18          1.00      2.777971e+06
## 19          0.64      7.874250e+02
## 20          1.00      1.014354e+07
## 21          0.97      4.525240e+02
## 22          0.95      3.430853e+07
## 23          0.93      2.189358e+07
## 24          1.00      6.516100e+06
## 25          1.00      1.041265e+07
## 26          0.96      1.485510e+06
## 27          0.38      4.223985e+07
## 28          0.93      9.516871e+06
## 29          0.94      5.353930e+06
## 30          0.97      1.173374e+08
## 31          0.80      7.633779e+06
## 32          0.98      2.716391e+06
## 33          0.98      1.133705e+07
## 34          0.99      5.210220e+02
## 35          0.87      8.917277e+07
## 36          0.56      2.404857e+08
## 37          0.99      6.735348e+06
## 38          0.94      4.644384e+06
## 39          0.96      4.310108e+06
## 40          0.64      1.360596e+06
## 41          0.95      2.775341e+08
## 42          0.97      5.040000e+06
## 43          0.95      3.694703e+07
## 44          0.72      1.428628e+09
## 45          0.86      2.322701e+07
## 46          0.61      1.729543e+08
## 47          0.70      3.444983e+07
## 48          0.65      3.089659e+07
cor(SortedSelectedTabelAsia)
##                   Literacy.Rate Population...2023
## Literacy.Rate         1.0000000        -0.1330801
## Population...2023    -0.1330801         1.0000000

#Membuat histogram nobel prize

#Membuat tabel baru untuk melihat nobel dari masing-masing benua 
TabelNobel <- Rawdata %>%
  group_by(Continent) %>% 
  summarize(jumlahnobel = sum(Nobel.Prices, na.rm = TRUE)) %>%
  arrange(desc(jumlahnobel)) #mengurutkan dari besar ke kecil
print(TabelNobel)
## # A tibble: 8 × 2
##   Continent       jumlahnobel
##   <chr>                 <int>
## 1 Europe                  573
## 2 North America           431
## 3 Asia                     79
## 4 Africa                   26
## 5 Oceania                  15
## 6 South America            11
## 7 Central America           6
## 8 Europe/Asia               2

#Memasukkan rumus histogram

library(ggplot2)
#Urutkan data berdasarkan jumlah Nobel secara menurun
Nobelsorted <- TabelNobel[order(-TabelNobel$jumlahnobel), ]
#Pembentukan Histogram
ggplot(Nobelsorted, aes(x = reorder(Continent, -jumlahnobel), y = jumlahnobel, fill = jumlahnobel)) +
  geom_bar(stat = "identity") +
  labs(title = "Histogram Jumlah Nobel per Benua", x = "Benua", y = "Jumlah Nobel") +
  scale_fill_viridis_c(direction = -1) +
  theme_minimal() +
  theme(axis.text.x = element_text(angle = 45, hjust = 1))  

#Boxplot Benua mengenai rata-rata Lama belajar Sekolah

#Membuat tabel yang berisi benua, negara, dan lamanya belajar
TabelBelajarIQ <- Rawdata %>%
  group_by(Continent) %>%
  select(Continent, Country, Mean.years.of.schooling...2021)
TabelBelajarIQ
## # A tibble: 193 × 3
## # Groups:   Continent [8]
##    Continent Country       Mean.years.of.schooling...2021
##    <chr>     <chr>                                  <dbl>
##  1 Asia      Japan                                   13.4
##  2 Asia      Taiwan                                  NA  
##  3 Asia      Singapore                               11.9
##  4 Asia      Hong Kong                               12.2
##  5 Asia      China                                    7.6
##  6 Asia      South Korea                             12.5
##  7 Europe    Belarus                                 12.1
##  8 Europe    Finland                                 12.9
##  9 Europe    Liechtenstein                           12.5
## 10 Europe    Germany                                 14.1
## # ℹ 183 more rows
ClearTabelBelajarIQ <- na.omit(TabelBelajarIQ [-2]) #Menghilangkan Kolom negara dan menghilangkan data NA
#Mengurtukan tabel sesuai benua
BelajarIQsorted <- ClearTabelBelajarIQ %>% arrange(Continent, desc(Mean.years.of.schooling...2021))
BelajarIQsorted
## # A tibble: 179 × 2
## # Groups:   Continent [8]
##    Continent Mean.years.of.schooling...2021
##    <chr>                              <dbl>
##  1 Africa                              11.4
##  2 Africa                              10.4
##  3 Africa                              10.3
##  4 Africa                              10.3
##  5 Africa                               9.6
##  6 Africa                               9.4
##  7 Africa                               8.7
##  8 Africa                               8.3
##  9 Africa                               8.1
## 10 Africa                               7.6
## # ℹ 169 more rows
#Pembentukan Boxplot
ggplot(BelajarIQsorted, aes(x = Continent, y = Mean.years.of.schooling...2021, fill = Mean.years.of.schooling...2021)) +
  geom_boxplot() +
  labs(title = "Boxplot Rata rata tahun belajar per Benua", x = "Benua", y = "Rata-rata Lama Belajar") +
  theme_minimal()
## Warning: The following aesthetics were dropped during statistical transformation: fill
## ℹ This can happen when ggplot fails to infer the correct grouping structure in
##   the data.
## ℹ Did you forget to specify a `group` aesthetic or to convert a numerical
##   variable into a factor?