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Table 12 Statistical Results of TPR, TNR and G-means by using SVM and KNN with RAD and MRMR or without symptom selection

From: Inquiry diagnosis of coronary heart disease in Chinese medicine based on symptom-syndrome interactions

Syndrome 1 2 3 5 6 7 Average
No Symptom
Selection-
SVM
TPR 0.708 0.463 0.729 0.472 0.799 0.906 0.680
  TNR 0.411 0.770 0.535 0.602 0.516 0.667 0.583
  G-m 0.539 0.597 0.625 0.533 0.642 0.777 0.630
RAD-SVM TPR 0.723 0.518 0.786 0.588 0.796 0.771 0.713
  TNR 0.429 0.781 0.547 0.536 0.592 0.865 0.609
  G-m 0.557 0.636 0.656 0.561 0.686 0.817 0.652
MRMR-SVM TPR 0.955 0.337 0.131 0.412 0.955 0.020 0.468
  TNR 0.070 0.893 0.970 0.704 0.027 0.970 0.606
  G-m 0.259 0.549 0.356 0.539 0.161 0.141 0.334
No Symptom
Selection-
KNN
TPR 0.757 0.553 0.439 0.461 0.826 0.534 0.595
  TNR 0.380 0.795 0.732 0.657 0.673 0.784 0.670
  G-m 0.536 0.663 0.567 0.550 0.746 0.647 0.631
RAD-KNN TPR 0.749 0.670 0.509 0.485 0.887 0.522 0.607
  TNR 0.391 0.712 0.729 0.663 0.704 0.851 0.706
  G-m 0.541 0.691 0.601 0.567 0.790 0.667 0.643
MRMR-KNN TPR 1.000 0.401 0.170 0.354 0.942 0.161 0.505
  TNR 0.146 0.901 0.981 0.783 0.018 0.897 0.621
  G-m 0.382 0.601 0.409 0.526 0.130 0.379 0.405