R Markdown

set.seed(123)
n <- 200
u <- runif(n)

x1 <- round(60*(-(log(1-u)/12)))
x1
##   [1]  2  8  3 11 14  0  4 11  4  3 16  3  6  4  1 12  1  0  2 15 11  6  5 26  5
##  [26]  6  4  5  2  1 16 12  6  8  0  3  7  1  2  1  1  3  3  2  1  1  1  3  2 10
##  [51]  0  3  8  1  4  1  1  7 11  2  5  0  2  2  8  3  8  8  8  3  7  5  6  0  3
##  [76]  1  2  5  2  1  1  6  3  8  1  3 21 11 11  1  1  5  2  5  2  1  8  0  3  4
## [101]  5  2  3 15  3 11 12  5  3  1 14  2  0 15  6  1  4 15  4  3  5  2  2  1  2
## [126] 21  1  0  1  6  5 11  6  7  4  5  9  8 20  3  2  3  0  1  9  1  1  0  1  7
## [151]  9  3  2  1  1  2  4  1  3  1  3  2  5  2  2  4  7  1  3  2  5  1 10  7  6
## [176]  5  2  4 10  4  9  2  6  2  5  3  2  4 12 12  2  2 21  5 14  3  3  5  1  4
set.seed(1234)
x2 <- round(runif(n))
x2
##   [1] 0 1 1 1 1 1 0 0 1 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 0 1 0
##  [38] 0 1 1 1 1 0 1 0 1 1 0 0 1 0 0 1 1 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 0 1 0 1
##  [75] 0 1 0 0 0 1 1 0 0 1 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1
## [112] 0 1 0 0 1 1 0 0 1 1 1 1 1 0 0 0 1 0 0 1 1 0 0 1 0 1 1 1 1 1 1 0 0 0 1 1 1
## [149] 1 1 0 0 0 1 0 1 1 1 0 1 0 1 0 0 0 1 0 0 1 0 1 1 1 0 0 1 0 1 0 0 0 0 1 0 1
## [186] 0 1 1 0 1 1 1 0 1 1 1 1 1 1 1
set.seed(123)
x3 <- round(runif(n))
x3
##   [1] 0 1 0 1 1 0 1 1 1 0 1 0 1 1 0 1 0 0 0 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 0 0 1
##  [38] 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1 1 0 1 0 0 0 1 0 1 1 1 0 1 1 1 0
##  [75] 0 0 0 1 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 0 0 1 0 0 1 1 0 0 1 0 1 1 1 0 0 1
## [112] 0 0 1 1 0 1 1 1 0 1 0 0 0 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 1 0 0 0
## [149] 0 1 1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 1 1 0 0 0 1 0 1 1 1 1 0 1 1 1 1 0 1 0 1
## [186] 0 0 1 1 1 0 0 1 1 1 0 0 1 0 1
set.seed(222)
x4 <- round(rnorm(n,3,0.5),2)
x4
##   [1] 3.74 3.00 3.69 2.81 3.09 2.88 2.39 3.78 3.21 2.40 3.53 2.35 2.65 3.30 2.90
##  [16] 2.41 2.00 3.00 3.26 2.63 3.36 3.36 2.67 3.75 2.28 1.92 3.20 2.80 2.85 3.67
##  [31] 2.59 3.34 2.89 2.94 2.90 3.20 3.33 3.05 2.91 3.47 3.10 3.25 2.72 3.56 4.10
##  [46] 3.16 2.53 3.41 2.81 3.17 3.30 3.26 2.52 2.39 2.90 3.53 3.19 3.62 3.16 2.48
##  [61] 2.43 3.62 3.39 3.37 3.03 3.42 3.10 3.73 2.77 1.61 3.03 2.97 2.41 1.74 3.41
##  [76] 3.13 2.97 3.34 3.01 3.27 3.34 2.40 2.38 3.11 2.27 2.94 3.27 3.36 2.21 3.55
##  [91] 2.83 3.31 3.25 3.84 3.19 3.12 3.21 2.41 2.68 3.03 2.89 3.17 3.27 3.13 3.19
## [106] 2.79 3.40 2.82 4.68 2.82 2.96 2.68 2.52 2.50 2.86 3.21 2.45 2.69 3.17 2.77
## [121] 4.37 3.01 3.16 2.97 2.64 2.83 3.12 3.30 2.81 2.81 1.86 2.94 3.31 3.04 3.29
## [136] 3.06 2.52 2.05 2.26 3.28 3.68 3.39 3.19 3.47 3.19 3.83 3.83 3.41 2.11 3.33
## [151] 2.58 2.75 2.05 3.70 3.21 2.84 1.90 3.14 3.29 3.15 3.44 2.81 3.27 2.70 3.46
## [166] 4.47 2.41 2.44 2.64 2.92 3.47 2.40 2.33 3.12 2.57 2.88 2.75 2.78 3.05 2.55
## [181] 3.25 3.51 3.58 2.33 3.57 3.40 3.27 2.95 3.30 2.14 2.17 2.94 3.50 3.43 3.52
## [196] 2.95 3.05 2.47 2.57 2.47
set.seed(222)
x44 <- round(rnorm(n,2.7,0.5),2)
x44
##   [1] 3.44 2.70 3.39 2.51 2.79 2.58 2.09 3.48 2.91 2.10 3.23 2.05 2.35 3.00 2.60
##  [16] 2.11 1.70 2.70 2.96 2.33 3.06 3.06 2.37 3.45 1.98 1.62 2.90 2.50 2.55 3.37
##  [31] 2.29 3.04 2.59 2.64 2.60 2.90 3.03 2.75 2.61 3.17 2.80 2.95 2.42 3.26 3.80
##  [46] 2.86 2.23 3.11 2.51 2.87 3.00 2.96 2.22 2.09 2.60 3.23 2.89 3.32 2.86 2.18
##  [61] 2.13 3.32 3.09 3.07 2.73 3.12 2.80 3.43 2.47 1.31 2.73 2.67 2.11 1.44 3.11
##  [76] 2.83 2.67 3.04 2.71 2.97 3.04 2.10 2.08 2.81 1.97 2.64 2.97 3.06 1.91 3.25
##  [91] 2.53 3.01 2.95 3.54 2.89 2.82 2.91 2.11 2.38 2.73 2.59 2.87 2.97 2.83 2.89
## [106] 2.49 3.10 2.52 4.38 2.52 2.66 2.38 2.22 2.20 2.56 2.91 2.15 2.39 2.87 2.47
## [121] 4.07 2.71 2.86 2.67 2.34 2.53 2.82 3.00 2.51 2.51 1.56 2.64 3.01 2.74 2.99
## [136] 2.76 2.22 1.75 1.96 2.98 3.38 3.09 2.89 3.17 2.89 3.53 3.53 3.11 1.81 3.03
## [151] 2.28 2.45 1.75 3.40 2.91 2.54 1.60 2.84 2.99 2.85 3.14 2.51 2.97 2.40 3.16
## [166] 4.17 2.11 2.14 2.34 2.62 3.17 2.10 2.03 2.82 2.27 2.58 2.45 2.48 2.75 2.25
## [181] 2.95 3.21 3.28 2.03 3.27 3.10 2.97 2.65 3.00 1.84 1.87 2.64 3.20 3.13 3.22
## [196] 2.65 2.75 2.17 2.27 2.17
summary(x44)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.310   2.380   2.745   2.703   3.010   4.380
b0 <- -9
b1 <- 1.5
b2 <- 1
b3 <- 1.7
b4 <- 1.2
set.seed(1)
datapendukung <- b0+(b1*x1)+(b2*x2)+(b3*x3)+(b4*x4)
datapendukung
##   [1] -1.512  9.300  0.928 13.572 18.408 -4.544  1.568 13.736  3.552 -0.620
##  [11] 21.936 -0.680  4.880  3.660 -4.020 14.592 -5.100 -5.400 -2.088 18.356
##  [21] 13.232  5.732  3.404 36.200  2.936  5.004  3.540  4.560 -1.580 -3.096
##  [31] 19.808 14.708  5.168  9.228 -5.520  0.340  7.196 -3.840 -1.508 -2.336
##  [41] -2.780  0.400 -1.236 -0.728 -2.580 -2.708 -3.464 -0.408 -2.628 12.504
##  [51] -5.040 -0.588  8.724 -3.632  2.180 -2.264 -3.672  8.544 12.992 -2.024
##  [61]  4.116 -4.656 -1.932 -1.956  8.336  0.604  8.420 10.176  8.024 -1.568
##  [71]  6.836  4.764  4.592 -5.912 -0.408 -2.744 -2.436  4.208 -2.388 -2.576
##  [81] -2.492  4.580 -1.644  9.432 -4.776  0.028 28.124 13.232 11.852 -2.240
##  [91] -4.104  5.172 -2.100  4.808 -2.172 -2.756  8.552 -6.108 -1.284  3.336
## [101]  3.668 -1.196 -0.576 18.956 -0.672 12.548 14.780  3.584  1.116 -4.116
## [111] 18.252 -2.784 -4.976 18.200  5.132 -2.648  2.640 18.428  2.504 -0.176
## [121]  6.444 -1.388 -1.208 -2.936 -2.832 27.596 -3.756 -4.040 -4.128  5.072
## [131]  3.432 13.728  5.672  6.848  3.648  3.872 10.224  8.160 26.412  0.436
## [141] -0.584  0.568 -5.172 -3.336 10.028 -1.904 -1.904 -3.908 -3.968  8.196
## [151]  9.296 -1.200 -3.540 -2.060 -3.648 -1.592  1.980 -2.732 -0.552 -2.720
## [161]  1.328 -1.628  4.124 -2.760 -1.848  5.064  6.092 -4.572 -0.332 -2.496
## [171]  5.364 -3.620 11.496  6.944  4.784  4.656 -2.700  3.036 11.360  1.760
## [181] 10.100 -1.788  6.996 -3.204  5.484 -0.420 -1.076  3.240 14.660 14.268
## [191] -2.396 -1.472 28.400  5.316 18.924  0.040  0.160  4.164 -3.416  2.664
p <- exp(datapendukung)/(1+exp(datapendukung))
p
##   [1] 0.180642582 0.999908584 0.716669353 0.999998724 0.999999990 0.010518973
##   [7] 0.827498306 0.999998917 0.972131661 0.349781451 1.000000000 0.336261303
##  [13] 0.992460265 0.974913038 0.017636340 0.999999540 0.006059801 0.004496273
##  [19] 0.110268640 0.999999989 0.999998208 0.996769878 0.967829312 1.000000000
##  [25] 0.949597623 0.993333689 0.971804712 0.989646262 0.170795482 0.043272553
##  [31] 0.999999998 0.999999590 0.994336311 0.999901760 0.003989865 0.584190523
##  [37] 0.999250983 0.021041347 0.181235382 0.088185019 0.058414556 0.598687660
##  [43] 0.225133011 0.325633767 0.070436731 0.062502942 0.030354081 0.399391780
##  [49] 0.067357984 0.999996288 0.006432108 0.357093879 0.999837391 0.025780958
##  [55] 0.898439072 0.094148676 0.024795137 0.999805328 0.999997722 0.116706015
##  [61] 0.983952112 0.009414921 0.126529376 0.123900592 0.999760328 0.646570909
##  [67] 0.999779634 0.999961928 0.999672600 0.172501694 0.998926761 0.991540754
##  [73] 0.989969066 0.002699461 0.399391780 0.060426403 0.080468389 0.985341963
##  [79] 0.084092345 0.070699083 0.076420916 0.989849199 0.161921517 0.999919888
##  [85] 0.008359185 0.506999543 1.000000000 0.999998208 0.999992876 0.096215542
##  [91] 0.016238476 0.994358793 0.109096821 0.991901942 0.102293229 0.059748686
##  [97] 0.999806879 0.002220057 0.216870104 0.965643384 0.975107957 0.232187558
## [103] 0.359853512 0.999999994 0.338049152 0.999996448 0.999999619 0.972985620
## [109] 0.753246004 0.016047888 0.999999988 0.058194935 0.006854308 0.999999988
## [115] 0.994129922 0.066112385 0.933391964 0.999999990 0.924421760 0.456113228
## [121] 0.998412490 0.199727237 0.230055119 0.050402377 0.055619253 1.000000000
## [127] 0.022843058 0.017293157 0.015859500 0.993769198 0.968689784 0.999998909
## [133] 0.996570823 0.998939549 0.974617868 0.979607804 0.999963712 0.999714219
## [139] 1.000000000 0.607305499 0.358012714 0.638301558 0.005641207 0.034356616
## [145] 0.999955856 0.129656423 0.129656423 0.019685329 0.018560221 0.999724322
## [151] 0.999908218 0.231475217 0.028195288 0.113045830 0.025382132 0.169102697
## [157] 0.878681162 0.061111309 0.365400518 0.061803466 0.790509619 0.164104525
## [163] 0.984077947 0.059524366 0.136107891 0.993719466 0.997744217 0.010231499
## [169] 0.417754072 0.076139071 0.995339680 0.026084075 0.999989829 0.999036525
## [175] 0.991706869 0.990585079 0.062973356 0.954174244 0.999988348 0.853209660
## [181] 0.999958922 0.143318104 0.999085301 0.039015473 0.995864488 0.396516750
## [187] 0.254263726 0.962312109 0.999999570 0.999999364 0.083478225 0.186638814
## [193] 1.000000000 0.995111649 0.999999994 0.509998667 0.539914885 0.984692703
## [199] 0.031799150 0.934868648
set.seed(2)
y <- rbinom(n,1,p)
y
##   [1] 0 1 1 1 1 0 1 1 1 0 1 0 1 1 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 0 1
##  [38] 0 0 0 1 1 0 0 1 0 1 0 0 1 0 0 1 0 1 0 0 1 1 0 1 0 0 0 1 1 1 1 1 0 1 1 1 0
##  [75] 0 0 0 1 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 0 0 1 0 0 1 1 0 1 1 0 1 1 1 1 0 1
## [112] 0 0 1 1 0 1 1 0 1 1 0 1 0 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 0 1 0 0 1 0 0 0
## [149] 0 1 1 0 0 0 0 0 1 0 0 0 0 1 1 0 0 1 1 0 0 0 1 0 1 1 1 1 0 1 1 1 1 0 1 0 1
## [186] 1 0 1 1 1 0 0 1 1 1 1 1 1 0 1
datagab <- data.frame(y,x1,x2,x3,x4)
datagab
##     y x1 x2 x3   x4
## 1   0  2  0  0 3.74
## 2   1  8  1  1 3.00
## 3   1  3  1  0 3.69
## 4   1 11  1  1 2.81
## 5   1 14  1  1 3.09
## 6   0  0  1  0 2.88
## 7   1  4  0  1 2.39
## 8   1 11  0  1 3.78
## 9   1  4  1  1 3.21
## 10  0  3  1  0 2.40
## 11  1 16  1  1 3.53
## 12  0  3  1  0 2.35
## 13  1  6  0  1 2.65
## 14  1  4  1  1 3.30
## 15  0  1  0  0 2.90
## 16  1 12  1  1 2.41
## 17  0  1  0  0 2.00
## 18  0  0  0  0 3.00
## 19  0  2  0  0 3.26
## 20  1 15  0  1 2.63
## 21  1 11  0  1 3.36
## 22  1  6  0  1 3.36
## 23  1  5  0  1 2.67
## 24  1 26  0  1 3.75
## 25  1  5  0  1 2.28
## 26  1  6  1  1 1.92
## 27  1  4  1  1 3.20
## 28  1  5  1  1 2.80
## 29  1  2  1  0 2.85
## 30  0  1  0  0 3.67
## 31  1 16  0  1 2.59
## 32  1 12  0  1 3.34
## 33  1  6  0  1 2.89
## 34  1  8  1  1 2.94
## 35  0  0  0  0 2.90
## 36  0  3  1  0 3.20
## 37  1  7  0  1 3.33
## 38  0  1  0  0 3.05
## 39  0  2  1  0 2.91
## 40  0  1  1  0 3.47
## 41  1  1  1  0 3.10
## 42  1  3  1  0 3.25
## 43  0  3  0  0 2.72
## 44  0  2  1  0 3.56
## 45  1  1  0  0 4.10
## 46  0  1  1  0 3.16
## 47  1  1  1  0 2.53
## 48  0  3  0  0 3.41
## 49  0  2  0  0 2.81
## 50  1 10  1  1 3.17
## 51  0  0  0  0 3.30
## 52  0  3  0  0 3.26
## 53  1  8  1  1 2.52
## 54  0  1  1  0 2.39
## 55  1  4  0  1 2.90
## 56  0  1  1  0 3.53
## 57  0  1  0  0 3.19
## 58  1  7  1  1 3.62
## 59  1 11  0  1 3.16
## 60  0  2  1  0 2.48
## 61  1  5  1  1 2.43
## 62  0  0  0  0 3.62
## 63  0  2  0  0 3.39
## 64  0  2  0  0 3.37
## 65  1  8  0  1 3.03
## 66  1  3  1  0 3.42
## 67  1  8  0  1 3.10
## 68  1  8  1  1 3.73
## 69  1  8  0  1 2.77
## 70  0  3  1  0 1.61
## 71  1  7  0  1 3.03
## 72  1  5  1  1 2.97
## 73  1  6  0  1 2.41
## 74  0  0  1  0 1.74
## 75  0  3  0  0 3.41
## 76  0  1  1  0 3.13
## 77  0  2  0  0 2.97
## 78  1  5  0  1 3.34
## 79  0  2  0  0 3.01
## 80  0  1  1  0 3.27
## 81  0  1  1  0 3.34
## 82  1  6  0  1 2.40
## 83  0  3  0  0 2.38
## 84  1  8  1  1 3.11
## 85  0  1  0  0 2.27
## 86  0  3  1  0 2.94
## 87  1 21  0  1 3.27
## 88  1 11  0  1 3.36
## 89  1 11  0  1 2.21
## 90  0  1  1  0 3.55
## 91  0  1  0  0 2.83
## 92  1  5  1  1 3.31
## 93  0  2  0  0 3.25
## 94  1  5  0  1 3.84
## 95  0  2  0  0 3.19
## 96  0  1  1  0 3.12
## 97  1  8  0  1 3.21
## 98  0  0  0  0 2.41
## 99  0  3  0  0 2.68
## 100 1  4  1  1 3.03
## 101 1  5  0  1 2.89
## 102 0  2  1  0 3.17
## 103 1  3  0  0 3.27
## 104 1 15  0  1 3.13
## 105 0  3  0  0 3.19
## 106 1 11  0  1 2.79
## 107 1 12  0  1 3.40
## 108 1  5  0  1 2.82
## 109 1  3  0  0 4.68
## 110 0  1  0  0 2.82
## 111 1 14  1  1 2.96
## 112 0  2  0  0 2.68
## 113 0  0  1  0 2.52
## 114 1 15  0  1 2.50
## 115 1  6  0  1 2.86
## 116 0  1  1  0 3.21
## 117 1  4  1  1 2.45
## 118 1 15  0  1 2.69
## 119 0  4  0  1 3.17
## 120 1  3  1  0 2.77
## 121 1  5  1  1 4.37
## 122 0  2  1  0 3.01
## 123 1  2  1  0 3.16
## 124 0  1  1  0 2.97
## 125 0  2  0  0 2.64
## 126 1 21  0  1 2.83
## 127 0  1  0  0 3.12
## 128 0  0  1  0 3.30
## 129 0  1  0  0 2.81
## 130 1  6  0  1 2.81
## 131 1  5  1  1 1.86
## 132 1 11  1  1 2.94
## 133 1  6  0  1 3.31
## 134 1  7  0  1 3.04
## 135 1  4  1  1 3.29
## 136 1  5  0  1 3.06
## 137 1  9  1  1 2.52
## 138 1  8  1  1 2.05
## 139 1 20  1  1 2.26
## 140 1  3  1  0 3.28
## 141 0  2  1  0 3.68
## 142 1  3  1  0 3.39
## 143 0  0  0  0 3.19
## 144 0  1  0  0 3.47
## 145 1  9  0  1 3.19
## 146 0  1  1  0 3.83
## 147 0  1  1  0 3.83
## 148 0  0  1  0 3.41
## 149 0  1  1  0 2.11
## 150 1  7  1  1 3.33
## 151 1  9  0  1 2.58
## 152 0  3  0  0 2.75
## 153 0  2  0  0 2.05
## 154 0  1  1  0 3.70
## 155 0  1  0  0 3.21
## 156 0  2  1  0 2.84
## 157 1  4  1  1 1.90
## 158 0  1  1  0 3.14
## 159 0  3  0  0 3.29
## 160 0  1  1  0 3.15
## 161 0  3  0  1 3.44
## 162 1  2  1  0 2.81
## 163 1  5  0  1 3.27
## 164 0  2  0  0 2.70
## 165 0  2  0  0 3.46
## 166 1  4  1  1 4.47
## 167 1  7  0  1 2.41
## 168 0  1  0  0 2.44
## 169 0  3  1  0 2.64
## 170 0  2  0  0 2.92
## 171 1  5  1  1 3.47
## 172 0  1  1  0 2.40
## 173 1 10  1  1 2.33
## 174 1  7  0  1 3.12
## 175 1  6  0  1 2.57
## 176 1  5  1  1 2.88
## 177 0  2  0  0 2.75
## 178 1  4  1  1 2.78
## 179 1 10  0  1 3.05
## 180 1  4  0  1 2.55
## 181 1  9  0  1 3.25
## 182 0  2  0  0 3.51
## 183 1  6  1  1 3.58
## 184 0  2  0  0 2.33
## 185 1  5  1  1 3.57
## 186 1  3  0  0 3.40
## 187 0  2  1  0 3.27
## 188 1  4  1  1 2.95
## 189 1 12  0  1 3.30
## 190 1 12  1  1 2.14
## 191 0  2  1  0 2.17
## 192 0  2  1  0 2.94
## 193 1 21  0  1 3.50
## 194 1  5  1  1 3.43
## 195 1 14  1  1 3.52
## 196 1  3  1  0 2.95
## 197 1  3  1  0 3.05
## 198 1  5  1  1 2.47
## 199 0  1  1  0 2.57
## 200 1  4  1  1 2.47
modelreglog <- glm(y~x1+x2+x3+x4, family = binomial(link = "logit"), data=datagab)
## Warning: glm.fit: fitted probabilities numerically 0 or 1 occurred
summary(modelreglog)
## 
## Call:
## glm(formula = y ~ x1 + x2 + x3 + x4, family = binomial(link = "logit"), 
##     data = datagab)
## 
## Coefficients:
##             Estimate Std. Error z value Pr(>|z|)    
## (Intercept) -11.4256     2.8300  -4.037 5.41e-05 ***
## x1            1.6919     0.4170   4.057 4.96e-05 ***
## x2            2.2123     0.7286   3.036  0.00239 ** 
## x3            1.6773     1.1458   1.464  0.14325    
## x4            1.5597     0.6810   2.290  0.02201 *  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## (Dispersion parameter for binomial family taken to be 1)
## 
##     Null deviance: 274.372  on 199  degrees of freedom
## Residual deviance:  73.361  on 195  degrees of freedom
## AIC: 83.361
## 
## Number of Fisher Scoring iterations: 8