Table 3.
List of SVM classification performance results.
| Feature set (number of measures) | Correct overall | True positive | True negative |
|---|---|---|---|
| HNR, RPDE, DFA, PPE (4) | 91.4±4.4 | 91.1±4.9 | 92.3±7.0 |
| All (10) | 90.6±4.1 | 90.7±4.3 | 90.4±8.6 |
| RPDE, DFA, PPE (3) | 89.5±3.9 | 89.6±4.3 | 89.1±8.6 |
| DFA, PPE (2) | 88.2±3.8 | 88.2±4.2 | 88.0±8.1 |
| PPE (1) | 85.6±5.4 | 85.9±5.5 | 84.5±10.8 |
| MDVP:Jitter(Abs) (1) | 80.6±9.9 | 80.7±10.1 | 80.3±10.9 |
| RPDE, DFA (2) | 79.2±4.2 | 79.2±4.5 | 79.0±7.5 |
| HNR (1) | 77.4±2.8 | 77.6±3.1 | 76.9±4.1 |
| MDVP:APQ (1) | 76.7±4.1 | 76.8±4.3 | 76.2±6.5 |
| D2 (1) | 76.7±1.9 | 76.9±2.2 | 76.1±3.1 |
| DFA (1) | 75.9±2.8 | 76.1±3.1 | 75.4±4.6 |
| RPDE (1) | 75.7±1.4 | 75.9±1.7 | 75.2±3.0 |
| Jitter:DDP (1) | 75.6±2.4 | 75.7±2.3 | 75.2±3.6 |
| NHR (1) | 75.4±0.0 | 75.5±0.0 | 75.0±0.0 |
| Shimmer:DDA (1) | 75.4±0.0 | 75.5±0.0 | 75.0±0.0 |
Note: MDVP stands for (Kay Pentax) Multi-Dimensional Voice Program. See main text for detailed descriptions of the algorithms used to calculate these features.