Table 3.
The predictive performance of TRGP, LDA, SVM, and random forest classifier.
| Classifier | Data sets | Number of gene pairs | Accuracy | Sensitivity | Specificity | Precision | Balanced accuracy | AUROC |
|---|---|---|---|---|---|---|---|---|
| LDA | Discovery set | 60 | 0.978 | 0.993 | 0.949 | 0.973 | 0.971 | 0.980 |
| Validation set-1 | 0.898 | 0.882 | 0.904 | 0.763 | 0.893 | 0.860 | ||
| Validation set-2 | 0.589 | 0.543 | 0.695 | 0.802 | 0.619 | 0.601 | ||
|
| ||||||||
| SVM | Discovery set | 12 | 0.955 | 0.979 | 0.910 | 0.953 | 0.945 | 0.956 |
| Validation set-1 | 0.817 | 0.980 | 0.760 | 0.588 | 0.870 | 0.790 | ||
| Validation set-2 | 0.698 | 0.699 | 0.695 | 0.839 | 0.697 | 0.671 | ||
|
| ||||||||
| Random forest | Discovery set | 56 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
| Validation set-1 | 0.868 | 0.961 | 0.836 | 0.671 | 0.898 | 0.828 | ||
| Validation set-2 | 0.788 | 0.866 | 0.610 | 0.835 | 0.738 | 0.751 | ||
|
| ||||||||
| TRGP | Discovery set | 7 | 0.830 | 0.936 | 0.774 | 0.689 | 0.855 | 0.947 |
| Validation set-1 | 0.934 | 0.959 | 0.863 | 0.952 | 0.911 | 0.955 | ||
| Validation set-2 | 0.703 | 0.797 | 0.662 | 0.508 | 0.729 | 0.796 | ||