## [1] 238  18
## [1] 99 18

## 2.915 sec elapsed
## Support Vector Machines with Radial Basis Function Kernel 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   C     Accuracy   Kappa    
##   0.25  0.6643116  0.3029891
##   0.50  0.6936594  0.3676600
##   1.00  0.6934783  0.3714545
## 
## Tuning parameter 'sigma' was held constant at a value of 0.0360758
## Accuracy was used to select the optimal model using the largest value.
## The final values used for the model were sigma = 0.0360758 and C = 0.5.
## Confusion Matrix and Statistics
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         20     13
##   Severe             45     21
##                                          
##                Accuracy : 0.4141         
##                  95% CI : (0.316, 0.5176)
##     No Information Rate : 0.6566         
##     P-Value [Acc > NIR] : 1              
##                                          
##                   Kappa : -0.061         
##                                          
##  Mcnemar's Test P-Value : 4.691e-05      
##                                          
##             Sensitivity : 0.6176         
##             Specificity : 0.3077         
##          Pos Pred Value : 0.3182         
##          Neg Pred Value : 0.6061         
##               Precision : 0.3182         
##                  Recall : 0.6176         
##                      F1 : 0.4200         
##              Prevalence : 0.3434         
##          Detection Rate : 0.2121         
##    Detection Prevalence : 0.6667         
##       Balanced Accuracy : 0.4627         
##                                          
##        'Positive' Class : Severe         
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         20     13
##   Severe             45     21

## 7.281 sec elapsed
## Random Forest 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   mtry  Accuracy   Kappa    
##    2    0.8110507  0.6129572
##    9    0.8442029  0.6853067
##   17    0.8150362  0.6248898
## 
## Accuracy was used to select the optimal model using the largest value.
## The final value used for the model was mtry = 9.
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         35     20
##   Severe             30     14

## Generalized Linear Model 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results:
## 
##   Accuracy   Kappa   
##   0.6476449  0.283878
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         30     18
##   Severe             35     16

## k-Nearest Neighbors 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## Pre-processing: centered (17), scaled (17) 
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   k  Accuracy   Kappa    
##   5  0.6224638  0.2144296
##   7  0.6094203  0.1863713
##   9  0.5842391  0.1370705
## 
## Accuracy was used to select the optimal model using the largest value.
## The final value used for the model was k = 5.
## Confusion Matrix and Statistics
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         25      9
##   Severe             40     25
##                                           
##                Accuracy : 0.5051          
##                  95% CI : (0.4027, 0.6071)
##     No Information Rate : 0.6566          
##     P-Value [Acc > NIR] : 0.9993          
##                                           
##                   Kappa : 0.0985          
##                                           
##  Mcnemar's Test P-Value : 1.822e-05       
##                                           
##             Sensitivity : 0.7353          
##             Specificity : 0.3846          
##          Pos Pred Value : 0.3846          
##          Neg Pred Value : 0.7353          
##               Precision : 0.3846          
##                  Recall : 0.7353          
##                      F1 : 0.5051          
##              Prevalence : 0.3434          
##          Detection Rate : 0.2525          
##    Detection Prevalence : 0.6566          
##       Balanced Accuracy : 0.5600          
##                                           
##        'Positive' Class : Severe          
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         25      9
##   Severe             40     25

## # weights:  20
## initial  value 147.925402 
## iter  10 value 144.747791
## iter  20 value 130.526618
## iter  30 value 116.797177
## iter  40 value 115.236872
## iter  50 value 115.194454
## iter  60 value 115.179087
## iter  70 value 115.175224
## iter  80 value 115.174359
## iter  90 value 115.171694
## iter 100 value 115.167965
## final  value 115.167965 
## stopped after 100 iterations
## # weights:  58
## initial  value 161.558128 
## iter  10 value 132.106562
## iter  20 value 93.193241
## iter  30 value 70.174258
## iter  40 value 69.191037
## iter  50 value 67.526395
## iter  60 value 67.446158
## iter  70 value 67.425121
## iter  80 value 66.867646
## iter  90 value 61.466698
## iter 100 value 56.606560
## final  value 56.606560 
## stopped after 100 iterations
## # weights:  96
## initial  value 151.022627 
## iter  10 value 145.395402
## iter  20 value 110.152797
## iter  30 value 78.989229
## iter  40 value 62.871554
## iter  50 value 60.198435
## iter  60 value 54.680596
## iter  70 value 51.709632
## iter  80 value 48.727688
## iter  90 value 48.235767
## iter 100 value 47.727082
## final  value 47.727082 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.412683 
## iter  10 value 147.186926
## iter  20 value 141.309957
## iter  30 value 130.734094
## iter  40 value 122.823105
## iter  50 value 119.723497
## iter  60 value 119.398730
## iter  60 value 119.398730
## final  value 119.398730 
## converged
## # weights:  58
## initial  value 156.146289 
## iter  10 value 147.338616
## iter  20 value 127.945125
## iter  30 value 118.800812
## iter  40 value 117.739485
## iter  50 value 110.279856
## iter  60 value 100.255061
## iter  70 value 97.477424
## iter  80 value 96.529571
## iter  90 value 93.630866
## iter 100 value 87.293335
## final  value 87.293335 
## stopped after 100 iterations
## # weights:  96
## initial  value 157.773105 
## iter  10 value 146.756096
## iter  20 value 137.629117
## iter  30 value 111.420286
## iter  40 value 90.151167
## iter  50 value 81.876733
## iter  60 value 77.800942
## iter  70 value 74.357043
## iter  80 value 71.111395
## iter  90 value 70.754581
## iter 100 value 70.586295
## final  value 70.586295 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.150946 
## iter  10 value 141.692144
## iter  20 value 130.983856
## iter  30 value 128.179746
## iter  40 value 128.151027
## iter  50 value 128.138772
## iter  60 value 128.127825
## iter  70 value 128.120310
## iter  80 value 128.109955
## iter  90 value 128.102111
## iter 100 value 128.100088
## final  value 128.100088 
## stopped after 100 iterations
## # weights:  58
## initial  value 160.171970 
## iter  10 value 142.902195
## iter  20 value 120.389045
## iter  30 value 109.344489
## iter  40 value 102.194319
## iter  50 value 102.016310
## iter  60 value 101.970105
## iter  70 value 101.955206
## iter  80 value 101.941514
## iter  90 value 101.935657
## iter 100 value 101.929694
## final  value 101.929694 
## stopped after 100 iterations
## # weights:  96
## initial  value 147.903632 
## iter  10 value 117.531431
## iter  20 value 89.041835
## iter  30 value 79.959148
## iter  40 value 77.138770
## iter  50 value 76.969209
## iter  60 value 76.934500
## iter  70 value 76.749538
## iter  80 value 75.490761
## iter  90 value 75.306820
## iter 100 value 75.215516
## final  value 75.215516 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.588039 
## iter  10 value 147.539994
## iter  20 value 142.637716
## iter  30 value 120.295092
## iter  40 value 111.027801
## iter  50 value 110.910420
## final  value 110.910150 
## converged
## # weights:  58
## initial  value 148.311616 
## iter  10 value 144.064195
## iter  20 value 128.186046
## iter  30 value 112.460438
## iter  40 value 108.853371
## iter  50 value 108.716987
## iter  60 value 108.667291
## iter  70 value 108.642167
## iter  80 value 108.630645
## iter  90 value 108.552035
## iter 100 value 106.400647
## final  value 106.400647 
## stopped after 100 iterations
## # weights:  96
## initial  value 147.617509 
## iter  10 value 142.814788
## iter  20 value 121.096816
## iter  30 value 99.479158
## iter  40 value 65.374637
## iter  50 value 60.197587
## iter  60 value 58.813380
## iter  70 value 57.773860
## iter  80 value 55.853903
## iter  90 value 54.950858
## iter 100 value 52.281720
## final  value 52.281720 
## stopped after 100 iterations
## # weights:  20
## initial  value 152.436094 
## iter  10 value 142.624034
## iter  20 value 118.942098
## iter  30 value 117.340489
## final  value 117.056185 
## converged
## # weights:  58
## initial  value 150.044417 
## iter  10 value 145.989551
## iter  20 value 133.216775
## iter  30 value 118.650382
## iter  40 value 107.110749
## iter  50 value 105.077064
## iter  60 value 104.128390
## iter  70 value 104.017018
## iter  80 value 103.955645
## iter  90 value 101.558194
## iter 100 value 99.943789
## final  value 99.943789 
## stopped after 100 iterations
## # weights:  96
## initial  value 174.170154 
## iter  10 value 141.434704
## iter  20 value 124.740177
## iter  30 value 110.008429
## iter  40 value 93.993880
## iter  50 value 87.607055
## iter  60 value 83.517165
## iter  70 value 79.543385
## iter  80 value 77.751268
## iter  90 value 76.525811
## iter 100 value 76.121663
## final  value 76.121663 
## stopped after 100 iterations
## # weights:  20
## initial  value 152.930653 
## iter  10 value 146.406434
## iter  20 value 133.618418
## iter  30 value 131.748494
## iter  40 value 129.942009
## iter  50 value 129.929972
## iter  60 value 129.854001
## iter  70 value 128.182166
## iter  80 value 128.083847
## iter  90 value 127.270024
## iter 100 value 127.137701
## final  value 127.137701 
## stopped after 100 iterations
## # weights:  58
## initial  value 149.334977 
## iter  10 value 135.761810
## iter  20 value 119.498705
## iter  30 value 109.981577
## iter  40 value 107.572807
## iter  50 value 106.629776
## iter  60 value 105.691832
## iter  70 value 105.625602
## iter  80 value 105.593737
## iter  90 value 105.576300
## iter 100 value 105.547871
## final  value 105.547871 
## stopped after 100 iterations
## # weights:  96
## initial  value 147.805857 
## iter  10 value 142.183722
## iter  20 value 118.056128
## iter  30 value 112.838034
## iter  40 value 111.697133
## iter  50 value 111.605013
## iter  60 value 111.565742
## iter  70 value 111.496047
## iter  80 value 111.394056
## iter  90 value 111.360651
## iter 100 value 111.327524
## final  value 111.327524 
## stopped after 100 iterations
## # weights:  20
## initial  value 154.398343 
## iter  10 value 147.546551
## iter  20 value 126.506269
## iter  30 value 110.313487
## iter  40 value 108.429044
## iter  50 value 107.275853
## iter  60 value 107.261338
## final  value 107.261083 
## converged
## # weights:  58
## initial  value 175.779517 
## iter  10 value 133.992774
## iter  20 value 108.079325
## iter  30 value 85.917665
## iter  40 value 78.651019
## iter  50 value 76.638436
## iter  60 value 76.379405
## iter  70 value 76.060335
## iter  80 value 75.859469
## iter  90 value 75.788908
## iter 100 value 75.706906
## final  value 75.706906 
## stopped after 100 iterations
## # weights:  96
## initial  value 159.653880 
## iter  10 value 133.016137
## iter  20 value 108.393370
## iter  30 value 92.659302
## iter  40 value 67.226876
## iter  50 value 63.571440
## iter  60 value 63.424414
## iter  70 value 63.422607
## iter  80 value 63.422154
## iter  90 value 63.422028
## iter 100 value 63.421757
## final  value 63.421757 
## stopped after 100 iterations
## # weights:  20
## initial  value 160.413170 
## iter  10 value 128.882498
## iter  20 value 121.235140
## iter  30 value 121.139186
## final  value 121.139144 
## converged
## # weights:  58
## initial  value 148.507868 
## iter  10 value 123.877040
## iter  20 value 115.352441
## iter  30 value 101.045075
## iter  40 value 97.498748
## iter  50 value 96.547806
## iter  60 value 95.397052
## iter  70 value 93.311862
## iter  80 value 92.839157
## iter  90 value 92.808909
## final  value 92.808865 
## converged
## # weights:  96
## initial  value 149.643074 
## iter  10 value 146.232729
## iter  20 value 136.941652
## iter  30 value 118.886906
## iter  40 value 112.772077
## iter  50 value 103.454948
## iter  60 value 95.110533
## iter  70 value 92.196125
## iter  80 value 90.923414
## iter  90 value 90.200502
## iter 100 value 85.949781
## final  value 85.949781 
## stopped after 100 iterations
## # weights:  20
## initial  value 161.549200 
## iter  10 value 147.505094
## iter  20 value 144.747313
## iter  30 value 127.699408
## iter  40 value 120.650574
## iter  50 value 120.454929
## iter  60 value 120.377741
## iter  70 value 120.371244
## iter  80 value 120.370346
## iter  90 value 120.370012
## iter 100 value 120.369658
## final  value 120.369658 
## stopped after 100 iterations
## # weights:  58
## initial  value 160.494377 
## iter  10 value 146.840620
## iter  20 value 140.217195
## iter  30 value 103.720452
## iter  40 value 96.142134
## iter  50 value 96.080391
## iter  60 value 96.068137
## iter  70 value 96.062964
## iter  80 value 96.049468
## iter  90 value 96.042031
## iter 100 value 96.037956
## final  value 96.037956 
## stopped after 100 iterations
## # weights:  96
## initial  value 160.476124 
## iter  10 value 130.760414
## iter  20 value 115.940224
## iter  30 value 111.528771
## iter  40 value 107.583240
## iter  50 value 104.732443
## iter  60 value 102.749455
## iter  70 value 85.706332
## iter  80 value 81.398768
## iter  90 value 55.766369
## iter 100 value 42.867194
## final  value 42.867194 
## stopped after 100 iterations
## # weights:  20
## initial  value 200.506555 
## final  value 147.575718 
## converged
## # weights:  58
## initial  value 150.447123 
## iter  10 value 141.030377
## iter  20 value 123.414201
## iter  30 value 103.542847
## iter  40 value 92.972522
## iter  50 value 90.552943
## iter  60 value 89.069709
## iter  70 value 88.813902
## iter  80 value 88.806532
## iter  90 value 88.803771
## iter 100 value 88.803140
## final  value 88.803140 
## stopped after 100 iterations
## # weights:  96
## initial  value 148.439539 
## iter  10 value 135.235023
## iter  20 value 108.313079
## iter  30 value 93.248840
## iter  40 value 91.056734
## iter  50 value 86.430913
## iter  60 value 85.615864
## iter  70 value 83.842053
## iter  80 value 83.311628
## iter  90 value 82.513955
## iter 100 value 82.338107
## final  value 82.338107 
## stopped after 100 iterations
## # weights:  20
## initial  value 153.791696 
## iter  10 value 139.953513
## iter  20 value 128.427599
## iter  30 value 120.146708
## iter  40 value 119.905728
## final  value 119.898461 
## converged
## # weights:  58
## initial  value 167.311716 
## iter  10 value 146.562554
## iter  20 value 122.686380
## iter  30 value 115.324416
## iter  40 value 105.852764
## iter  50 value 100.906870
## iter  60 value 89.844266
## iter  70 value 87.218296
## iter  80 value 86.491551
## iter  90 value 86.446860
## iter 100 value 86.446268
## final  value 86.446268 
## stopped after 100 iterations
## # weights:  96
## initial  value 153.062037 
## iter  10 value 147.054752
## iter  20 value 137.126179
## iter  30 value 121.120936
## iter  40 value 106.904353
## iter  50 value 102.423499
## iter  60 value 99.489186
## iter  70 value 94.796317
## iter  80 value 93.417866
## iter  90 value 90.476442
## iter 100 value 88.786362
## final  value 88.786362 
## stopped after 100 iterations
## # weights:  20
## initial  value 154.571887 
## iter  10 value 147.575694
## iter  20 value 147.571293
## iter  30 value 129.882127
## iter  40 value 112.489584
## iter  50 value 103.059087
## iter  60 value 102.133182
## iter  70 value 102.044984
## iter  80 value 101.324496
## iter  90 value 101.185797
## iter 100 value 101.069154
## final  value 101.069154 
## stopped after 100 iterations
## # weights:  58
## initial  value 162.693642 
## iter  10 value 143.651786
## iter  20 value 124.330047
## iter  30 value 115.302015
## iter  40 value 110.658272
## iter  50 value 108.133628
## iter  60 value 103.898548
## iter  70 value 101.837738
## iter  80 value 100.551055
## iter  90 value 100.412171
## iter 100 value 100.393522
## final  value 100.393522 
## stopped after 100 iterations
## # weights:  96
## initial  value 158.025499 
## iter  10 value 146.127805
## iter  20 value 123.090986
## iter  30 value 108.014015
## iter  40 value 106.452707
## iter  50 value 70.882952
## iter  60 value 56.366420
## iter  70 value 52.951543
## iter  80 value 52.688775
## iter  90 value 52.424317
## iter 100 value 52.198332
## final  value 52.198332 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.634210 
## iter  10 value 147.574227
## iter  20 value 143.779021
## iter  30 value 118.544728
## iter  40 value 107.585175
## iter  50 value 107.229873
## final  value 107.229463 
## converged
## # weights:  58
## initial  value 147.936827 
## iter  10 value 147.468041
## iter  20 value 121.344958
## iter  30 value 107.990724
## iter  40 value 97.161426
## iter  50 value 96.916632
## iter  60 value 87.940507
## iter  70 value 84.682131
## iter  80 value 82.921825
## iter  90 value 80.480741
## iter 100 value 79.958167
## final  value 79.958167 
## stopped after 100 iterations
## # weights:  96
## initial  value 168.355738 
## iter  10 value 146.807644
## iter  20 value 140.164053
## iter  30 value 106.770129
## iter  40 value 93.628944
## iter  50 value 90.907888
## iter  60 value 89.997974
## iter  70 value 89.824054
## iter  80 value 89.557742
## iter  90 value 87.221826
## iter 100 value 86.812172
## final  value 86.812172 
## stopped after 100 iterations
## # weights:  20
## initial  value 149.588836 
## iter  10 value 147.461662
## iter  20 value 134.153395
## iter  30 value 125.301196
## iter  40 value 121.045330
## iter  50 value 120.991839
## final  value 120.991831 
## converged
## # weights:  58
## initial  value 173.808620 
## iter  10 value 141.813511
## iter  20 value 124.111911
## iter  30 value 123.275579
## iter  40 value 120.603042
## iter  50 value 114.321670
## iter  60 value 104.399456
## iter  70 value 95.055347
## iter  80 value 91.469440
## iter  90 value 90.097409
## iter 100 value 89.778573
## final  value 89.778573 
## stopped after 100 iterations
## # weights:  96
## initial  value 155.624033 
## iter  10 value 138.785256
## iter  20 value 119.681661
## iter  30 value 107.671621
## iter  40 value 89.916299
## iter  50 value 85.575683
## iter  60 value 83.393050
## iter  70 value 82.102427
## iter  80 value 81.400283
## iter  90 value 80.692386
## iter 100 value 80.494177
## final  value 80.494177 
## stopped after 100 iterations
## # weights:  20
## initial  value 164.548069 
## iter  10 value 133.373475
## iter  20 value 130.182488
## iter  30 value 128.067957
## iter  40 value 124.682148
## iter  50 value 124.368330
## iter  60 value 122.085803
## iter  70 value 121.690502
## iter  80 value 121.655304
## iter  90 value 121.619160
## iter 100 value 120.619032
## final  value 120.619032 
## stopped after 100 iterations
## # weights:  58
## initial  value 159.354839 
## iter  10 value 142.662998
## iter  20 value 110.675647
## iter  30 value 100.713771
## iter  40 value 100.551734
## iter  50 value 100.484485
## iter  60 value 99.614113
## iter  70 value 95.936219
## iter  80 value 94.774463
## iter  90 value 93.058661
## iter 100 value 89.745859
## final  value 89.745859 
## stopped after 100 iterations
## # weights:  96
## initial  value 198.075397 
## iter  10 value 146.592684
## iter  20 value 122.980164
## iter  30 value 115.240902
## iter  40 value 89.081224
## iter  50 value 72.717078
## iter  60 value 63.877096
## iter  70 value 60.711260
## iter  80 value 58.028212
## iter  90 value 57.186268
## iter 100 value 56.556384
## final  value 56.556384 
## stopped after 100 iterations
## # weights:  20
## initial  value 166.297609 
## iter  10 value 147.341840
## iter  20 value 131.999324
## iter  30 value 121.624227
## iter  40 value 121.206132
## final  value 121.205193 
## converged
## # weights:  58
## initial  value 247.621420 
## iter  10 value 145.616804
## iter  20 value 115.207886
## iter  30 value 106.576480
## iter  40 value 104.711144
## iter  50 value 103.626930
## iter  60 value 93.487358
## iter  70 value 79.749601
## iter  80 value 77.760681
## iter  90 value 76.710997
## iter 100 value 69.464307
## final  value 69.464307 
## stopped after 100 iterations
## # weights:  96
## initial  value 181.162325 
## iter  10 value 129.330494
## iter  20 value 107.253054
## iter  30 value 103.754497
## iter  40 value 103.718505
## final  value 103.718397 
## converged
## # weights:  20
## initial  value 148.884046 
## iter  10 value 143.588625
## iter  20 value 123.282364
## iter  30 value 120.530854
## iter  40 value 120.481454
## final  value 120.480051 
## converged
## # weights:  58
## initial  value 157.647919 
## iter  10 value 146.825804
## iter  20 value 132.195774
## iter  30 value 118.471033
## iter  40 value 110.989069
## iter  50 value 107.690112
## iter  60 value 103.423374
## iter  70 value 102.237687
## iter  80 value 102.086024
## iter  90 value 102.077133
## final  value 102.077117 
## converged
## # weights:  96
## initial  value 150.241132 
## iter  10 value 146.767471
## iter  20 value 116.793672
## iter  30 value 109.465777
## iter  40 value 104.952417
## iter  50 value 95.280378
## iter  60 value 88.073196
## iter  70 value 85.935561
## iter  80 value 85.013822
## iter  90 value 82.164071
## iter 100 value 81.360850
## final  value 81.360850 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.138400 
## iter  10 value 139.503407
## iter  20 value 120.948666
## iter  30 value 106.368079
## iter  40 value 104.521842
## iter  50 value 104.431181
## iter  60 value 104.400197
## iter  70 value 104.392158
## iter  80 value 104.391446
## iter  90 value 104.391272
## final  value 104.391255 
## converged
## # weights:  58
## initial  value 150.660616 
## iter  10 value 145.315293
## iter  20 value 104.186013
## iter  30 value 84.279324
## iter  40 value 69.617592
## iter  50 value 64.691839
## iter  60 value 64.135053
## iter  70 value 64.038704
## iter  80 value 63.996804
## iter  90 value 63.932335
## iter 100 value 63.901579
## final  value 63.901579 
## stopped after 100 iterations
## # weights:  96
## initial  value 157.706518 
## iter  10 value 144.806122
## iter  20 value 124.683179
## iter  30 value 99.280605
## iter  40 value 66.467157
## iter  50 value 60.433378
## iter  60 value 53.567529
## iter  70 value 50.093138
## iter  80 value 49.560964
## iter  90 value 47.779519
## iter 100 value 46.930357
## final  value 46.930357 
## stopped after 100 iterations
## # weights:  20
## initial  value 166.401926 
## iter  10 value 146.943149
## iter  20 value 127.846789
## iter  30 value 125.170935
## iter  40 value 125.107813
## iter  50 value 124.580284
## iter  60 value 122.225328
## iter  70 value 122.199491
## iter  80 value 122.198025
## final  value 122.197721 
## converged
## # weights:  58
## initial  value 159.089028 
## iter  10 value 143.558040
## iter  20 value 123.699649
## iter  30 value 118.664970
## iter  40 value 116.838428
## iter  50 value 114.566072
## iter  60 value 113.525343
## iter  70 value 113.126347
## iter  80 value 111.918892
## iter  90 value 111.402370
## iter 100 value 111.367267
## final  value 111.367267 
## stopped after 100 iterations
## # weights:  96
## initial  value 168.866574 
## iter  10 value 129.496076
## iter  20 value 114.659292
## iter  30 value 101.063660
## iter  40 value 100.856723
## iter  50 value 100.856128
## iter  50 value 100.856128
## iter  50 value 100.856128
## final  value 100.856128 
## converged
## # weights:  20
## initial  value 148.402775 
## iter  10 value 146.170620
## iter  20 value 129.842281
## iter  30 value 121.824255
## iter  40 value 121.742218
## final  value 121.741991 
## converged
## # weights:  58
## initial  value 152.286882 
## iter  10 value 145.239227
## iter  20 value 124.901153
## iter  30 value 114.808510
## iter  40 value 106.074244
## iter  50 value 100.996599
## iter  60 value 100.596429
## iter  70 value 100.573764
## iter  80 value 100.573325
## final  value 100.573324 
## converged
## # weights:  96
## initial  value 230.100073 
## iter  10 value 153.327712
## iter  20 value 132.236637
## iter  30 value 115.187279
## iter  40 value 105.701008
## iter  50 value 101.918375
## iter  60 value 97.913367
## iter  70 value 93.210939
## iter  80 value 90.659628
## iter  90 value 86.625061
## iter 100 value 84.408972
## final  value 84.408972 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.638710 
## iter  10 value 137.906808
## iter  20 value 131.809048
## iter  30 value 129.812130
## iter  40 value 128.058545
## iter  50 value 128.038324
## iter  60 value 128.032339
## iter  70 value 128.030561
## iter  80 value 128.029068
## iter  90 value 127.183740
## iter 100 value 127.070193
## final  value 127.070193 
## stopped after 100 iterations
## # weights:  58
## initial  value 169.022102 
## iter  10 value 147.544987
## iter  20 value 146.104287
## iter  30 value 115.625102
## iter  40 value 112.287629
## iter  50 value 111.856919
## iter  60 value 105.209883
## iter  70 value 102.449551
## iter  80 value 102.344489
## iter  90 value 102.316960
## iter 100 value 102.288724
## final  value 102.288724 
## stopped after 100 iterations
## # weights:  96
## initial  value 180.762545 
## iter  10 value 146.274907
## iter  20 value 115.880218
## iter  30 value 92.531011
## iter  40 value 71.760665
## iter  50 value 66.816258
## iter  60 value 65.462135
## iter  70 value 64.424135
## iter  80 value 64.255826
## iter  90 value 64.192294
## iter 100 value 64.169018
## final  value 64.169018 
## stopped after 100 iterations
## # weights:  20
## initial  value 173.363221 
## iter  10 value 146.971198
## iter  20 value 124.924826
## iter  30 value 114.560916
## iter  40 value 110.034939
## iter  50 value 109.861362
## final  value 109.861103 
## converged
## # weights:  58
## initial  value 158.615314 
## iter  10 value 144.652441
## iter  20 value 126.076840
## iter  30 value 125.971538
## iter  40 value 125.969397
## iter  40 value 125.969396
## iter  40 value 125.969396
## final  value 125.969396 
## converged
## # weights:  96
## initial  value 149.699696 
## iter  10 value 133.472086
## iter  20 value 103.158325
## iter  30 value 86.275179
## iter  40 value 85.941223
## iter  50 value 85.934185
## final  value 85.934126 
## converged
## # weights:  20
## initial  value 154.534676 
## iter  10 value 148.160231
## iter  20 value 133.466690
## iter  30 value 124.270232
## iter  40 value 123.358166
## iter  50 value 123.054554
## iter  60 value 120.798316
## iter  70 value 120.673561
## final  value 120.673530 
## converged
## # weights:  58
## initial  value 175.458657 
## iter  10 value 143.546646
## iter  20 value 126.405698
## iter  30 value 119.186633
## iter  40 value 114.985910
## iter  50 value 110.132985
## iter  60 value 106.535307
## iter  70 value 103.092256
## iter  80 value 100.786617
## iter  90 value 100.747563
## final  value 100.746111 
## converged
## # weights:  96
## initial  value 162.030119 
## iter  10 value 143.868487
## iter  20 value 125.734485
## iter  30 value 111.984485
## iter  40 value 104.701975
## iter  50 value 94.772186
## iter  60 value 92.946008
## iter  70 value 91.301056
## iter  80 value 89.377624
## iter  90 value 88.343347
## iter 100 value 85.492554
## final  value 85.492554 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.196209 
## iter  10 value 145.372787
## iter  20 value 122.966017
## iter  30 value 117.443771
## iter  40 value 117.304627
## iter  50 value 117.262550
## iter  60 value 117.252877
## iter  70 value 117.224465
## iter  80 value 117.214864
## iter  90 value 117.211460
## iter 100 value 117.209226
## final  value 117.209226 
## stopped after 100 iterations
## # weights:  58
## initial  value 148.051239 
## iter  10 value 142.217465
## iter  20 value 124.356832
## iter  30 value 121.807088
## iter  40 value 120.995755
## iter  50 value 120.328356
## iter  60 value 120.091159
## iter  70 value 119.764328
## iter  80 value 119.481767
## iter  90 value 119.290865
## iter 100 value 119.244869
## final  value 119.244869 
## stopped after 100 iterations
## # weights:  96
## initial  value 152.633203 
## iter  10 value 146.315591
## iter  20 value 120.398397
## iter  30 value 112.186445
## iter  40 value 99.947715
## iter  50 value 98.399458
## iter  60 value 96.432879
## iter  70 value 94.587250
## iter  80 value 93.801402
## iter  90 value 92.692678
## iter 100 value 92.536793
## final  value 92.536793 
## stopped after 100 iterations
## # weights:  20
## initial  value 151.384414 
## iter  10 value 147.989493
## iter  20 value 143.866759
## iter  30 value 139.306669
## iter  40 value 139.300202
## final  value 139.300194 
## converged
## # weights:  58
## initial  value 152.747355 
## iter  10 value 148.104966
## iter  20 value 129.990740
## iter  30 value 110.694974
## iter  40 value 79.284846
## iter  50 value 73.034796
## iter  60 value 72.558417
## iter  70 value 72.553119
## final  value 72.553089 
## converged
## # weights:  96
## initial  value 151.891941 
## iter  10 value 140.037205
## iter  20 value 114.945313
## iter  30 value 100.691256
## iter  40 value 86.908762
## iter  50 value 82.301760
## iter  60 value 81.852086
## iter  70 value 81.734990
## iter  80 value 81.669447
## iter  90 value 81.650502
## iter 100 value 81.647839
## final  value 81.647839 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.952542 
## iter  10 value 146.600514
## iter  20 value 125.319390
## iter  30 value 122.599206
## iter  40 value 122.519167
## final  value 122.518917 
## converged
## # weights:  58
## initial  value 149.399272 
## iter  10 value 146.726845
## iter  20 value 124.398676
## iter  30 value 120.748529
## iter  40 value 114.380969
## iter  50 value 106.236082
## iter  60 value 104.863403
## iter  70 value 102.999360
## iter  80 value 96.508850
## iter  90 value 90.182535
## iter 100 value 89.494439
## final  value 89.494439 
## stopped after 100 iterations
## # weights:  96
## initial  value 153.243039 
## iter  10 value 140.094952
## iter  20 value 118.899079
## iter  30 value 107.597250
## iter  40 value 96.918169
## iter  50 value 88.993601
## iter  60 value 86.683271
## iter  70 value 83.841193
## iter  80 value 83.233967
## iter  90 value 82.996106
## iter 100 value 82.903493
## final  value 82.903493 
## stopped after 100 iterations
## # weights:  20
## initial  value 148.484989 
## iter  10 value 148.166004
## iter  20 value 140.256009
## iter  30 value 134.525358
## iter  40 value 134.472862
## iter  50 value 134.437962
## iter  60 value 134.378262
## iter  70 value 134.367524
## iter  80 value 134.356995
## iter  90 value 134.348922
## iter 100 value 134.345459
## final  value 134.345459 
## stopped after 100 iterations
## # weights:  58
## initial  value 148.078018 
## iter  10 value 127.533470
## iter  20 value 116.925598
## iter  30 value 113.528922
## iter  40 value 94.005907
## iter  50 value 90.423340
## iter  60 value 90.042782
## iter  70 value 89.974430
## iter  80 value 89.939815
## iter  90 value 89.917653
## iter 100 value 89.894952
## final  value 89.894952 
## stopped after 100 iterations
## # weights:  96
## initial  value 163.850587 
## iter  10 value 144.097772
## iter  20 value 116.758964
## iter  30 value 101.109016
## iter  40 value 94.559731
## iter  50 value 91.768225
## iter  60 value 91.391156
## iter  70 value 89.875312
## iter  80 value 85.743514
## iter  90 value 85.696302
## iter 100 value 85.649541
## final  value 85.649541 
## stopped after 100 iterations
## # weights:  20
## initial  value 161.831568 
## iter  10 value 147.573968
## iter  20 value 147.078204
## iter  30 value 146.962500
## final  value 146.961225 
## converged
## # weights:  58
## initial  value 171.233130 
## iter  10 value 146.865608
## iter  20 value 119.882347
## iter  30 value 106.016963
## iter  40 value 99.403368
## iter  50 value 99.219641
## iter  60 value 99.218250
## iter  60 value 99.218249
## iter  60 value 99.218249
## final  value 99.218249 
## converged
## # weights:  96
## initial  value 149.656694 
## iter  10 value 133.537327
## iter  20 value 100.238717
## iter  30 value 83.923091
## iter  40 value 81.155773
## iter  50 value 70.691007
## iter  60 value 47.454652
## iter  70 value 41.724397
## iter  80 value 39.368206
## iter  90 value 38.863255
## iter 100 value 38.626162
## final  value 38.626162 
## stopped after 100 iterations
## # weights:  20
## initial  value 151.044679 
## iter  10 value 147.238669
## iter  20 value 131.515476
## iter  30 value 125.377201
## iter  40 value 125.134439
## iter  50 value 123.092044
## iter  60 value 121.533767
## iter  70 value 121.395359
## final  value 121.395311 
## converged
## # weights:  58
## initial  value 158.501498 
## iter  10 value 136.977810
## iter  20 value 126.772869
## iter  30 value 119.860507
## iter  40 value 107.340442
## iter  50 value 97.921007
## iter  60 value 93.680166
## iter  70 value 93.416705
## iter  80 value 91.330912
## iter  90 value 90.673254
## iter 100 value 90.640914
## final  value 90.640914 
## stopped after 100 iterations
## # weights:  96
## initial  value 172.017641 
## iter  10 value 147.642398
## iter  20 value 128.985473
## iter  30 value 122.573420
## iter  40 value 121.917965
## iter  50 value 121.869797
## iter  60 value 121.842900
## iter  70 value 121.826656
## iter  80 value 121.823042
## final  value 121.813844 
## converged
## # weights:  20
## initial  value 149.455304 
## iter  10 value 146.108614
## iter  20 value 131.902488
## iter  30 value 131.848929
## iter  40 value 131.822516
## iter  50 value 131.798745
## iter  60 value 131.128488
## iter  70 value 130.883609
## iter  80 value 130.873793
## iter  90 value 130.862991
## iter 100 value 130.854131
## final  value 130.854131 
## stopped after 100 iterations
## # weights:  58
## initial  value 167.723169 
## iter  10 value 118.144890
## iter  20 value 103.082328
## iter  30 value 92.108869
## iter  40 value 91.302317
## iter  50 value 91.102901
## iter  60 value 90.780684
## iter  70 value 89.840832
## iter  80 value 89.586843
## iter  90 value 88.239951
## iter 100 value 88.162224
## final  value 88.162224 
## stopped after 100 iterations
## # weights:  96
## initial  value 150.454406 
## iter  10 value 146.109124
## iter  20 value 118.399476
## iter  30 value 83.468732
## iter  40 value 56.903426
## iter  50 value 55.396508
## iter  60 value 55.201468
## iter  70 value 52.921709
## iter  80 value 51.785508
## iter  90 value 49.750653
## iter 100 value 49.545582
## final  value 49.545582 
## stopped after 100 iterations
## # weights:  96
## initial  value 266.647305 
## iter  10 value 163.853962
## iter  20 value 142.365971
## iter  30 value 133.095870
## iter  40 value 120.637698
## iter  50 value 111.371698
## iter  60 value 103.166904
## iter  70 value 100.223073
## iter  80 value 98.727887
## iter  90 value 96.324843
## iter 100 value 94.698427
## final  value 94.698427 
## stopped after 100 iterations
## Neural Network 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   size  decay  Accuracy   Kappa    
##   1     0e+00  0.6086957  0.1712576
##   1     1e-04  0.6391304  0.2347447
##   1     1e-01  0.6472826  0.2662667
##   3     0e+00  0.6800725  0.3388101
##   3     1e-04  0.7217391  0.4326672
##   3     1e-01  0.7052536  0.4060518
##   5     0e+00  0.7099638  0.4013201
##   5     1e-04  0.7309783  0.4472998
##   5     1e-01  0.7601449  0.5082464
## 
## Accuracy was used to select the optimal model using the largest value.
## The final values used for the model were size = 5 and decay = 0.1.
## Confusion Matrix and Statistics
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         32     16
##   Severe             33     18
##                                           
##                Accuracy : 0.5051          
##                  95% CI : (0.4027, 0.6071)
##     No Information Rate : 0.6566          
##     P-Value [Acc > NIR] : 0.99932         
##                                           
##                   Kappa : 0.0194          
##                                           
##  Mcnemar's Test P-Value : 0.02227         
##                                           
##             Sensitivity : 0.5294          
##             Specificity : 0.4923          
##          Pos Pred Value : 0.3529          
##          Neg Pred Value : 0.6667          
##               Precision : 0.3529          
##                  Recall : 0.5294          
##                      F1 : 0.4235          
##              Prevalence : 0.3434          
##          Detection Rate : 0.1818          
##    Detection Prevalence : 0.5152          
##       Balanced Accuracy : 0.5109          
##                                           
##        'Positive' Class : Severe          
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         32     16
##   Severe             33     18

## Naive Bayes 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   usekernel  Accuracy   Kappa    
##   FALSE      0.6266304  0.2398071
##    TRUE      0.5887681  0.1099602
## 
## Tuning parameter 'fL' was held constant at a value of 0
## Tuning
##  parameter 'adjust' was held constant at a value of 1
## Accuracy was used to select the optimal model using the largest value.
## The final values used for the model were fL = 0, usekernel = FALSE and adjust
##  = 1.
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         20     12
##   Severe             45     22

## Linear Discriminant Analysis 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## Pre-processing: centered (17), scaled (17) 
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results:
## 
##   Accuracy   Kappa   
##   0.6476449  0.283878
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         30     18
##   Severe             35     16

##  [1] "age"            "sex"            "fever"          "cold"          
##  [5] "rigor"          "fatigue"        "headace"        "bitter_tongue" 
##  [9] "vomitting"      "diarrhea"       "Convulsion"     "Anemia"        
## [13] "jundice"        "cocacola_urine" "hypoglycemia"   "prostraction"  
## [17] "hyperpyrexia"   "severe_maleria"
##     age sex fever cold rigor fatigue headace bitter_tongue vomitting diarrhea
## 1    70   1     1    1     1       0       0             0         0        0
## 2    64   1     1    1     1       0       0             1         0        1
## 3    31   0     1    1     0       0       1             1         0        0
## 4    28   0     0    1     0       0       1             1         0        1
## 5    29   0     1    1     1       1       1             1         1        0
## 6    16   0     0    1     0       0       0             1         0        0
## 7    16   0     0    0     0       1       0             1         0        0
## 8    35   1     0    1     1       0       0             1         0        0
## 9    24   0     1    1     0       0       1             0         0        1
## 10   77   1     1    1     1       0       1             0         0        1
## 11   31   1     0    1     1       0       1             0         1        0
## 12   42   1     1    1     0       0       1             0         0        0
## 13   18   0     1    0     0       0       1             0         0        0
## 14   22   0     1    0     0       0       1             0         0        1
## 15   32   0     1    0     1       0       1             1         0        0
## 16   70   0     1    0     1       0       1             1         0        0
## 17   11   0     1    0     1       0       0             1         0        1
## 18   28   0     0    1     0       0       1             1         0        1
## 19   17   1     1    1     0       0       1             1         0        0
## 20   43   0     0    1     0       0       0             0         1        0
## 21   35   0     1    0     1       1       1             0         0        0
## 22   52   1     1    0     1       1       1             0         0        0
## 23   16   0     0    1     0       0       0             1         0        0
## 24   39   0     1    1     0       1       1             0         0        0
## 25   14   1     0    0     0       0       1             1         0        0
## 26   35   1     1    1     1       0       1             0         0        0
## 27   28   1     1    1     0       0       1             0         0        0
## 28   14   1     0    1     0       0       1             1         0        0
## 29   55   0     1    1     0       0       1             1         0        0
## 30   52   1     1    1     0       1       1             1         0        1
## 31   25   0     1    1     1       1       0             0         0        0
## 32   17   1     1    0     0       0       0             0         0        1
## 33   21   1     1    1     0       1       1             1         0        0
## 34   39   1     0    0     0       1       1             0         0        1
## 35   28   0     0    1     0       0       1             1         0        1
## 36   24   0     1    1     0       1       1             1         0        0
## 37   43   1     1    0     0       1       0             0         1        0
## 38   14   1     0    1     0       0       1             1         0        0
## 39   28   1     0    1     0       0       0             0         0        0
## 40   71   0     1    1     0       1       0             1         1        0
## 41   18   0     0    0     0       1       0             0         0        0
## 42   35   1     1    1     1       0       1             0         0        0
## 43   30   1     0    1     0       1       1             0         0        0
## 44   28   0     0    1     0       0       1             1         0        1
## 45   43   0     0    1     0       0       0             0         1        0
## 46   30   1     1    1     0       1       1             0         0        0
## 47   31   1     1    0     1       1       1             0         1        0
## 48   39   1     0    0     0       1       1             0         0        1
## 49   24   1     1    0     0       1       1             1         0        1
## 50   35   0     0    1     0       0       1             1         0        0
## 51   31   0     0    0     0       0       1             1         0        0
## 52   52   1     1    1     0       1       1             1         0        1
## 53   28   1     1    1     0       0       1             0         0        0
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## 234          0      0       1              1            1            0
## 235          1      0       0              1            1            0
## 236          0      0       1              1            1            1
## 237          0      0       1              0            1            1
## 238          1      0       1              1            1            0
##     hyperpyrexia severe_maleria
## 1              0     Not Severe
## 2              1     Not Severe
## 3              0     Not Severe
## 4              0     Not Severe
## 5              0     Not Severe
## 6              0     Not Severe
## 7              0     Not Severe
## 8              0     Not Severe
## 9              0     Not Severe
## 10             1     Not Severe
## 11             1     Not Severe
## 12             1     Not Severe
## 13             0     Not Severe
## 14             0     Not Severe
## 15             0     Not Severe
## 16             0     Not Severe
## 17             0     Not Severe
## 18             0     Not Severe
## 19             0     Not Severe
## 20             1     Not Severe
## 21             0     Not Severe
## 22             0     Not Severe
## 23             0     Not Severe
## 24             0     Not Severe
## 25             0     Not Severe
## 26             0     Not Severe
## 27             0     Not Severe
## 28             0     Not Severe
## 29             1     Not Severe
## 30             0     Not Severe
## 31             0     Not Severe
## 32             1     Not Severe
## 33             1     Not Severe
## 34             0     Not Severe
## 35             0     Not Severe
## 36             1     Not Severe
## 37             0     Not Severe
## 38             0     Not Severe
## 39             1     Not Severe
## 40             0     Not Severe
## 41             0     Not Severe
## 42             0     Not Severe
## 43             0     Not Severe
## 44             0     Not Severe
## 45             1     Not Severe
## 46             0     Not Severe
## 47             0     Not Severe
## 48             0     Not Severe
## 49             0     Not Severe
## 50             0     Not Severe
## 51             0     Not Severe
## 52             0     Not Severe
## 53             0     Not Severe
## 54             1     Not Severe
## 55             1     Not Severe
## 56             0     Not Severe
## 57             0     Not Severe
## 58             0     Not Severe
## 59             0     Not Severe
## 60             1     Not Severe
## 61             0     Not Severe
## 62             0     Not Severe
## 63             1     Not Severe
## 64             0     Not Severe
## 65             1     Not Severe
## 66             0     Not Severe
## 67             1     Not Severe
## 68             0     Not Severe
## 69             0     Not Severe
## 70             1     Not Severe
## 71             0     Not Severe
## 72             0     Not Severe
## 73             1     Not Severe
## 74             1     Not Severe
## 75             0     Not Severe
## 76             0     Not Severe
## 77             0     Not Severe
## 78             0     Not Severe
## 79             0     Not Severe
## 80             1     Not Severe
## 81             0     Not Severe
## 82             0     Not Severe
## 83             0     Not Severe
## 84             1     Not Severe
## 85             0     Not Severe
## 86             0     Not Severe
## 87             0     Not Severe
## 88             0     Not Severe
## 89             0     Not Severe
## 90             0     Not Severe
## 91             0     Not Severe
## 92             0     Not Severe
## 93             1     Not Severe
## 94             0     Not Severe
## 95             0     Not Severe
## 96             0     Not Severe
## 97             0     Not Severe
## 98             0     Not Severe
## 99             0     Not Severe
## 100            0     Not Severe
## 101            0     Not Severe
## 102            0     Not Severe
## 103            0     Not Severe
## 104            0     Not Severe
## 105            0     Not Severe
## 106            0     Not Severe
## 107            0     Not Severe
## 108            1     Not Severe
## 109            0     Not Severe
## 110            0         Severe
## 111            0         Severe
## 112            0         Severe
## 113            0         Severe
## 114            0         Severe
## 115            0         Severe
## 116            0         Severe
## 117            0         Severe
## 118            0         Severe
## 119            0         Severe
## 120            0         Severe
## 121            0         Severe
## 122            0         Severe
## 123            1         Severe
## 124            1         Severe
## 125            0         Severe
## 126            0         Severe
## 127            0         Severe
## 128            0         Severe
## 129            0         Severe
## 130            0         Severe
## 131            0         Severe
## 132            1         Severe
## 133            1         Severe
## 134            0         Severe
## 135            0         Severe
## 136            0         Severe
## 137            0         Severe
## 138            0         Severe
## 139            0         Severe
## 140            0         Severe
## 141            0         Severe
## 142            0         Severe
## 143            0         Severe
## 144            0         Severe
## 145            0         Severe
## 146            0         Severe
## 147            0         Severe
## 148            1         Severe
## 149            0         Severe
## 150            0         Severe
## 151            0         Severe
## 152            0         Severe
## 153            0         Severe
## 154            0         Severe
## 155            0         Severe
## 156            0         Severe
## 157            0         Severe
## 158            1         Severe
## 159            0         Severe
## 160            0         Severe
## 161            0         Severe
## 162            1         Severe
## 163            1         Severe
## 164            0         Severe
## 165            0         Severe
## 166            0         Severe
## 167            0         Severe
## 168            0         Severe
## 169            1         Severe
## 170            0         Severe
## 171            0         Severe
## 172            0         Severe
## 173            0         Severe
## 174            0         Severe
## 175            0         Severe
## 176            0         Severe
## 177            0         Severe
## 178            0         Severe
## 179            1         Severe
## 180            0         Severe
## 181            0         Severe
## 182            0         Severe
## 183            0         Severe
## 184            0         Severe
## 185            1         Severe
## 186            0         Severe
## 187            0         Severe
## 188            0         Severe
## 189            0         Severe
## 190            0         Severe
## 191            0         Severe
## 192            0         Severe
## 193            0         Severe
## 194            0         Severe
## 195            0         Severe
## 196            0         Severe
## 197            0         Severe
## 198            0         Severe
## 199            0         Severe
## 200            0         Severe
## 201            0         Severe
## 202            0         Severe
## 203            0         Severe
## 204            0         Severe
## 205            0         Severe
## 206            1         Severe
## 207            0         Severe
## 208            0         Severe
## 209            0         Severe
## 210            0         Severe
## 211            1         Severe
## 212            0         Severe
## 213            0         Severe
## 214            0         Severe
## 215            0         Severe
## 216            1         Severe
## 217            0         Severe
## 218            0         Severe
## 219            0         Severe
## 220            1         Severe
## 221            0         Severe
## 222            0         Severe
## 223            0         Severe
## 224            0         Severe
## 225            0         Severe
## 226            0         Severe
## 227            0         Severe
## 228            0         Severe
## 229            0         Severe
## 230            0         Severe
## 231            0         Severe
## 232            1         Severe
## 233            0         Severe
## 234            0         Severe
## 235            0         Severe
## 236            1         Severe
## 237            0         Severe
## 238            0         Severe
## Learning Vector Quantization 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## Pre-processing: centered (17), scaled (17) 
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   size  k   Accuracy   Kappa    
##    8     1  0.6847826  0.3423692
##    8     6  0.6891304  0.3656238
##    8    11  0.6126812  0.2006221
##   12     1  0.6304348  0.2333733
##   12     6  0.6597826  0.2909082
##   12    11  0.6429348  0.2566154
##   16     1  0.6684783  0.3165545
##   16     6  0.6648551  0.3049394
##   16    11  0.6846014  0.3493400
## 
## Accuracy was used to select the optimal model using the largest value.
## The final values used for the model were size = 8 and k = 6.
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         14     12
##   Severe             51     22

## Bagged CART 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## No pre-processing
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results:
## 
##   Accuracy   Kappa    
##   0.8278986  0.6505981
## Confusion Matrix and Statistics
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         35     16
##   Severe             30     18
##                                           
##                Accuracy : 0.5354          
##                  95% CI : (0.4323, 0.6362)
##     No Information Rate : 0.6566          
##     P-Value [Acc > NIR] : 0.99528         
##                                           
##                   Kappa : 0.0618          
##                                           
##  Mcnemar's Test P-Value : 0.05527         
##                                           
##             Sensitivity : 0.5294          
##             Specificity : 0.5385          
##          Pos Pred Value : 0.3750          
##          Neg Pred Value : 0.6863          
##               Precision : 0.3750          
##                  Recall : 0.5294          
##                      F1 : 0.4390          
##              Prevalence : 0.3434          
##          Detection Rate : 0.1818          
##    Detection Prevalence : 0.4848          
##       Balanced Accuracy : 0.5339          
##                                           
##        'Positive' Class : Severe          
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         35     16
##   Severe             30     18

## Boosted Classification Trees 
## 
## 238 samples
##  17 predictor
##   2 classes: 'Not Severe', 'Severe' 
## 
## Pre-processing: centered (17), scaled (17) 
## Resampling: Cross-Validated (10 fold) 
## Summary of sample sizes: 214, 214, 214, 214, 214, 214, ... 
## Resampling results across tuning parameters:
## 
##   maxdepth  iter  Accuracy   Kappa    
##   1          50   0.6177536  0.1918530
##   1         100   0.6224638  0.2165071
##   1         150   0.6309783  0.2380119
##   2          50   0.6896739  0.3574489
##   2         100   0.6769928  0.3361978
##   2         150   0.6980072  0.3808271
##   3          50   0.6856884  0.3453528
##   3         100   0.7318841  0.4463229
##   3         150   0.7442029  0.4757256
## 
## Tuning parameter 'nu' was held constant at a value of 0.1
## Accuracy was used to select the optimal model using the largest value.
## The final values used for the model were iter = 150, maxdepth = 3 and nu = 0.1.
## Confusion Matrix and Statistics
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         33     18
##   Severe             32     16
##                                           
##                Accuracy : 0.4949          
##                  95% CI : (0.3929, 0.5973)
##     No Information Rate : 0.6566          
##     P-Value [Acc > NIR] : 0.99967         
##                                           
##                   Kappa : -0.0198         
##                                           
##  Mcnemar's Test P-Value : 0.06599         
##                                           
##             Sensitivity : 0.4706          
##             Specificity : 0.5077          
##          Pos Pred Value : 0.3333          
##          Neg Pred Value : 0.6471          
##               Precision : 0.3333          
##                  Recall : 0.4706          
##                      F1 : 0.3902          
##              Prevalence : 0.3434          
##          Detection Rate : 0.1616          
##    Detection Prevalence : 0.4848          
##       Balanced Accuracy : 0.4891          
##                                           
##        'Positive' Class : Severe          
## 
##             Reference
## Prediction   Not Severe Severe
##   Not Severe         33     18
##   Severe             32     16

## 
## Call:
## summary.resamples(object = results)
## 
## Models: SVM, Bagging, LR, NB, RF, KNN, NN, LDA, LVQ, Boosting 
## Number of resamples: 10 
## 
## Accuracy 
##               Min.   1st Qu.    Median      Mean   3rd Qu.      Max. NA's
## SVM      0.6250000 0.6354167 0.7028986 0.6936594 0.7472826 0.7500000    0
## Bagging  0.7083333 0.7916667 0.8297101 0.8278986 0.8736413 0.9166667    0
## LR       0.5833333 0.6250000 0.6250000 0.6476449 0.6630435 0.7826087    0
## NB       0.5416667 0.5833333 0.6250000 0.6266304 0.6884058 0.7083333    0
## RF       0.7083333 0.8278986 0.8541667 0.8442029 0.8750000 0.9166667    0
## KNN      0.4166667 0.5833333 0.6385870 0.6224638 0.6979167 0.7391304    0
## NN       0.6250000 0.6739130 0.7445652 0.7601449 0.8541667 0.9166667    0
## LDA      0.5833333 0.6250000 0.6250000 0.6476449 0.6630435 0.7826087    0
## LVQ      0.5652174 0.6250000 0.6458333 0.6891304 0.7812500 0.8333333    0
## Boosting 0.5833333 0.7160326 0.7500000 0.7442029 0.7916667 0.8695652    0
## 
## Kappa 
##                 Min.   1st Qu.    Median      Mean   3rd Qu.      Max. NA's
## SVM       0.20588235 0.2623175 0.3830227 0.3676600 0.4808290 0.4893617    0
## Bagging   0.40000000 0.5697464 0.6592355 0.6505981 0.7469106 0.8321678    0
## LR        0.14893617 0.2285714 0.2500000 0.2838780 0.3124128 0.5525292    0
## NB        0.05714286 0.1548056 0.2285714 0.2398071 0.3574938 0.4166667    0
## RF        0.40000000 0.6566854 0.7035964 0.6853067 0.7464789 0.8321678    0
## KNN      -0.20863309 0.1272384 0.2464909 0.2144296 0.3682958 0.4651163    0
## NN        0.20588235 0.3363199 0.4868881 0.5082464 0.7027163 0.8321678    0
## LDA       0.14893617 0.2285714 0.2500000 0.2838780 0.3124128 0.5525292    0
## LVQ       0.12408759 0.2312877 0.2743946 0.3656238 0.5444166 0.6595745    0
## Boosting  0.13669065 0.4203008 0.4820144 0.4757256 0.5759557 0.7396226    0