Table 2.
Comparison of the SVM classifier with different parameters for performance measures (all the SVM classifiers were trained with a set of default parameters; see SVM under Data Processing). A leave-one-out cross-validation was performed for each result.
| Performance measure | Turns, amplitude | Turns, amplitude, entropy | Turns, amplitude, energy | Turns, amplitude, entropy, energy |
|---|---|---|---|---|
| TP | 35.13 | 33.18 | 33.63 | 36.10 |
| FN | 3.88 | 5.83 | 5.38 | 2.90 |
| FP | 9.88 | 7.68 | 7.23 | 4.95 |
| TN | 29.13 | 31.33 | 31.78 | 34.05 |
| Sn+ (%) | 0.90 | 0.85 | 0.86 | 0.93 |
| Sp+ (%) | 0.78 | 0.81 | 0.82 | 0.88 |
| Sn− (%) | 0.75 | 0.80 | 0.81 | 0.87 |
| Sp− (%) | 0.88 | 0.84 | 0.86 | 0.92 |
| Ac (%) | 0.82 | 0.83 | 0.84 | 0.90 |
| MCC | 0.66 | 0.65 | 0.68 | 0.80 |