TABLE V.
Leave-one-out Cross Validation of (a) Linear SVM and (b) RBF Kernel SVM, for Discriminating Malignant from other Nonmalignant Tissue Types, Using Least Correlated and Diagnostically Significant PCs Shown in Table IV
| (a) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Training |
Testing |
|||||||
| C rate | SE | SP | C rate | SE | SP | PPV | NPV | |
| Mal. (n=27) vs. Non-mal. (n=94) | 83.1±0.8 | 28.1±4.7 | 98.9±0.7 | 79.3 | 14.8 | 97.9 | 67 | 80 |
| Mal. (n=27) vs. Fibr./Benign (n=47) | 81.5±0.8 | 74.1±1.6 | 86.8±0.6 | 80.0 | 70.4 | 86.8 | 75 | 84 |
| Mal. (n=27) vs. Adip. (n=37) | 82.4±0.9 | 84.5±1.7 | 81.0±0.9 | 81.2 | 81.5 | 81.0 | 76 | 86 |
| (b) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Training |
Testing |
|||||||
| C rate | SE | SP | C rate | SE | SP | PPV | NPV | |
| Mal. (n=27) vs. Non-mal. (n=94) | 98.4±0.2 | 96.5±0.9 | 98.9±0.1 | 81.0 | 55.6 | 88.3 | 58 | 87 |
| Mal. (n=27) vs. Fibr./Benign. (n=47) | 89.5±1.0 | 89.1±1.2 | 89.8±1.2 | 84.6 | 81.5 | 86.8 | 78 | 89 |
| Mal. (n=27) vs. Adip. (n=37) | 89.8±0.6 | 88.8±0.9 | 90.4±0.7 | 78.3 | 74.1 | 81.0 | 74 | 81 |