Table 2.
Classification comparison for different normalizations. TPR, true-positive rate; TNR, true-negative rate; ACC, accuracy.
| Classifier | TPR | TNR | ACC |
|---|---|---|---|
| JVA—raw features, the first signal | 0.000 | 1.000 | 0.500 |
| JVA—raw features, the second signal | 0.000 | 1.000 | 0.500 |
| JVA—norm1 features, the first signal | 0.000 | 1.000 | 0.500 |
| JVA—norm1 features, the second signal | 0.000 | 1.000 | 0.500 |
| JVA—norm2 features, the first signal | 0.298 | 0.894 | 0.596 |
| JVA—norm2 features, the second signal | 0.298 | 0.830 | 0.564 |
| KNN—raw features, the first signal | 0.915 | 0.660 | 0.787 |
| KNN—raw features, the second signal | 0.915 | 0.702 | 0.809 |