R Markdown

data_kesehatan <- read.csv("data_kesehatan.csv")
head(data_kesehatan)
##   X id umur jenis_kelamin tinggi_badan berat_badan gula_darah tekanan_sistolik
## 1 1  1   33     Perempuan     159.5587    62.85027   80.08403         129.2978
## 2 2  2   59     Perempuan     152.9881    54.73592   79.20090         108.6373
## 3 3  3   39     Perempuan     156.1915    66.84162   99.64040         132.7729
## 4 4  4   64     Laki-laki     173.8024    54.83932   97.35650         108.7811
## 5 5  5   67     Perempuan     164.0242    62.21020   49.01314         129.4536
## 6 6  6   20     Perempuan     150.0967    61.15284  120.81147         136.4499
##   tekanan_diastolik kolesterol skor_kesehatan
## 1          69.13882   181.3293      100.00000
## 2          73.34697   209.6954      100.00000
## 3          87.14848   176.3801       88.52949
## 4          75.68339   172.1841      100.00000
## 5          82.27615   138.6886      100.00000
## 6          92.94946   183.7165       75.39378

#Berapa rata-rata umur responden dalam dataset kesehatan fisik?

aggregate(umur ~ umur, data = data_kesehatan, mean)
##     umur
## 1 44.315

#Siapa saja yang memiliki 5 skor kesehatan terendah?

data_kesehatan[order(data_kesehatan$skor_kesehatan), c("skor_kesehatan", "id")]
##     skor_kesehatan  id
## 49        45.44594  49
## 11        48.51474  11
## 70        53.51686  70
## 193       54.22224 193
## 176       57.96087 176
## 8         59.51184   8
## 30        60.08132  30
## 12        62.26762  12
## 123       64.11414 123
## 119       65.12971 119
## 170       65.83611 170
## 28        67.08839  28
## 20        67.80169  20
## 94        68.02514  94
## 61        68.50658  61
## 40        69.44558  40
## 68        69.50376  68
## 155       71.20314 155
## 91        71.93331  91
## 185       72.24570 185
## 112       73.44250 112
## 156       74.48061 156
## 81        74.94486  81
## 53        75.01840  53
## 168       75.20394 168
## 6         75.39378   6
## 42        75.93673  42
## 126       76.14837 126
## 9         76.40171   9
## 27        76.98552  27
## 22        77.75112  22
## 76        78.60337  76
## 63        78.62644  63
## 167       78.65485 167
## 37        78.69969  37
## 105       79.28644 105
## 198       79.65326 198
## 116       79.76589 116
## 144       80.02805 144
## 113       80.16160 113
## 7         80.21044   7
## 24        80.64646  24
## 191       81.22331 191
## 43        81.59355  43
## 115       81.77373 115
## 161       82.25335 161
## 188       83.77710 188
## 59        83.79867  59
## 38        84.01331  38
## 77        84.13958  77
## 173       84.35429 173
## 181       84.67545 181
## 189       84.71513 189
## 131       84.84621 131
## 124       85.34060 124
## 148       85.38529 148
## 172       85.38622 172
## 150       85.45402 150
## 23        85.65371  23
## 108       85.76841 108
## 16        85.92333  16
## 192       85.99595 192
## 139       86.22689 139
## 55        86.55135  55
## 165       86.60551 165
## 133       86.68373 133
## 82        86.99939  82
## 110       87.17492 110
## 29        87.27387  29
## 164       87.39012 164
## 69        87.39251  69
## 99        87.49844  99
## 100       87.53790 100
## 163       87.74158 163
## 45        87.91820  45
## 96        88.01014  96
## 111       88.14031 111
## 104       88.18862 104
## 75        88.37807  75
## 3         88.52949   3
## 186       88.64576 186
## 32        88.97758  32
## 194       89.39700 194
## 140       89.48931 140
## 67        90.30077  67
## 157       90.45487 157
## 39        90.56092  39
## 160       90.62093 160
## 58        90.67423  58
## 50        90.69250  50
## 171       90.70285 171
## 19        90.72733  19
## 183       90.91384 183
## 35        91.28614  35
## 138       91.56964 138
## 44        91.65975  44
## 71        91.99147  71
## 72        92.00174  72
## 137       92.40607 137
## 197       92.80241 197
## 26        93.04345  26
## 143       93.74989 143
## 149       93.77802 149
## 21        94.09372  21
## 97        94.20821  97
## 101       94.46348 101
## 117       94.47592 117
## 10        95.02224  10
## 145       95.43306 145
## 34        95.54148  34
## 102       95.88734 102
## 98        96.06106  98
## 151       96.11934 151
## 93        96.15151  93
## 127       96.40854 127
## 60        96.46025  60
## 134       96.66257 134
## 154       96.80100 154
## 13        96.82670  13
## 174       96.85953 174
## 54        96.87835  54
## 80        96.88081  80
## 62        97.28383  62
## 95        97.35104  95
## 78        97.46217  78
## 152       97.54007 152
## 195       97.88776 195
## 142       97.92177 142
## 141       98.40598 141
## 136       98.51579 136
## 83        98.63909  83
## 153       98.94197 153
## 52        98.97290  52
## 169       99.23040 169
## 125       99.28702 125
## 196       99.33587 196
## 51        99.78350  51
## 199       99.83833 199
## 1        100.00000   1
## 2        100.00000   2
## 4        100.00000   4
## 5        100.00000   5
## 14       100.00000  14
## 15       100.00000  15
## 17       100.00000  17
## 18       100.00000  18
## 25       100.00000  25
## 31       100.00000  31
## 33       100.00000  33
## 36       100.00000  36
## 41       100.00000  41
## 46       100.00000  46
## 47       100.00000  47
## 48       100.00000  48
## 56       100.00000  56
## 57       100.00000  57
## 64       100.00000  64
## 65       100.00000  65
## 66       100.00000  66
## 73       100.00000  73
## 74       100.00000  74
## 79       100.00000  79
## 84       100.00000  84
## 85       100.00000  85
## 86       100.00000  86
## 87       100.00000  87
## 88       100.00000  88
## 89       100.00000  89
## 90       100.00000  90
## 92       100.00000  92
## 103      100.00000 103
## 106      100.00000 106
## 107      100.00000 107
## 109      100.00000 109
## 114      100.00000 114
## 118      100.00000 118
## 120      100.00000 120
## 121      100.00000 121
## 122      100.00000 122
## 128      100.00000 128
## 129      100.00000 129
## 130      100.00000 130
## 132      100.00000 132
## 135      100.00000 135
## 146      100.00000 146
## 147      100.00000 147
## 158      100.00000 158
## 159      100.00000 159
## 162      100.00000 162
## 166      100.00000 166
## 175      100.00000 175
## 177      100.00000 177
## 178      100.00000 178
## 179      100.00000 179
## 180      100.00000 180
## 182      100.00000 182
## 184      100.00000 184
## 187      100.00000 187
## 190      100.00000 190
## 200      100.00000 200

#Berapa rata-rata skor_kesehatan responden obesitas (BMI > 30)?

data_kesehatan$BMI <- data_kesehatan$berat_badan/((data_kesehatan$tinggi_badan/100)^2)
obesitas <- subset(data_kesehatan,BMI >30)
rata_rata<- mean(obesitas$skor_kesehatan)
rata_rata
## [1] 74.92593