Table 3.
Classification accuracies of 9-subjects across 6-filters using 2-feature combination for 6-classifiers
| Feature | Accuracy (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1/S2/S3 | S4/S5/S6 | S7/S8/S9 | |||||||||||||
| KNN | LDA | QDA | NB | SVM | KNN | LDA | QDA | NB | SVM | KNN | LDA | QDA | NB | SVM | |
| SP, SK | 56.7 | 49.2 | 51.7 | 62.5 | 41.7 | 64.6 | 56.3 | 62.1 | 64.6 | 62.5 | 60.4 | 60.4 | 69.2 | 66.3 | 58.3 |
| SM, SK | 57.5 | 52.1 | 57.1 | 62.9 | 59.2 | 62.5 | 66.3 | 62.1 | 66.3 | 65.0 | 60.4 | 60.8 | 60.8 | 63.8 | 61.7 |
| SS, SK | 57.1 | 51.7 | 62.9 | 66.7 | 66.7 | 60.8 | 57.9 | 59.2 | 61.3 | 52.5 | 60.8 | 57.9 | 60.0 | 62.5 | 57.5 |
| KR, SK | 57.9 | 54.6 | 41.3 | 62.1 | 55.0 | 63.3 | 61.7 | 57.9 | 62.5 | 63.3 | 67.1 | 60.4 | 60.4 | 61.7 | 52.5 |
| VR, SK | 57.1 | 48.3 | 50.0 | 62.5 | 47.5 | 60.0 | 53.3 | 63.3 | 67.5 | 62.5 | 60.8 | 61.3 | 67.9 | 65.0 | 63.3 |
| SP, KR | 52.1 | 45.4 | 54.2 | 62.1 | 54.2 | 54.2 | 66.3 | 60.0 | 62.5 | 74.2 | 65.0 | 58.3 | 61.3 | 64.2 | 60.0 |
| SM, KR | 52.5 | 57.1 | 62.1 | 63.8 | 59.2 | 54.6 | 68.3 | 63.3 | 63.3 | 70.8 | 65.0 | 58.8 | 59.2 | 63.8 | 55.0 |
| SS, KR | 52.9 | 54.6 | 65.8 | 67.5 | 68.3 | 55.4 | 63.3 | 55.4 | 64.2 | 68.3 | 65.0 | 58.3 | 63.3 | 62.9 | 59.2 |
| VR, KR | 52.9 | 42.5 | 47.1 | 62.1 | 53.3 | 55.8 | 62.5 | 63.8 | 67.5 | 74.2 | 65.0 | 65.4 | 62.5 | 64.6 | 65.0 |
| SM, SP | 57.9 | 52.1 | 59.2 | 62.5 | 51.7 | 63.8 | 64.2 | 59.2 | 62.9 | 72.5 | 57.9 | 60.4 | 60.0 | 62.9 | 57.5 |
| SM, VR | 61.3 | 51.7 | 54.2 | 61.3 | 55.8 | 61.3 | 60.8 | 63.8 | 69.6 | 71.7 | 57.1 | 60.0 | 59.2 | 65.0 | 60.0 |
| SS, SP | 60.0 | 55.4 | 67.9 | 66.7 | 70.0 | 65.0 | 43.3 | 56.3 | 60.4 | 62.5 | 58.8 | 61.7 | 62.9 | 65.0 | 58.3 |
| SS, VR | 57.1 | 52.9 | 63.3 | 66.3 | 72.5 | 62.9 | 40.8 | 63.8 | 70.4 | 65.8 | 62.1 | 65.4 | 64.2 | 64.6 | 60.0 |
| VR, SP | 52.5 | 51.3 | 51.7 | 62.5 | 40.0 | 59.2 | 50.0 | 61.3 | 63.3 | 67.5 | 49.6 | 60.8 | 67.1 | 65.0 | 62.5 |
| SM, SS | 61.3 | 54.6 | 64.6 | 68.3 | 66.7 | 72.5 | 56.7 | 53.8 | 59.2 | 61.7 | 58.8 | 60.8 | 59.6 | 63.3 | 60.0 |
| SP, SK | 58.3 | 51.7 | 62.5 | 63.3 | 59.2 | 54.2 | 47.9 | 52.1 | 63.8 | 65.0 | 52.5 | 43.3 | 40.8 | 60.8 | 48.3 |
| SM, SK | 58.3 | 55.4 | 64.2 | 67.1 | 69.2 | 56.3 | 45.4 | 56.3 | 64.2 | 60.8 | 50.0 | 50.8 | 46.3 | 59.2 | 61.7 |
| SS, SK | 57.9 | 64.2 | 55.4 | 68.3 | 70.8 | 57.1 | 62.5 | 58.8 | 62.5 | 64.2 | 51.3 | 66.3 | 65.8 | 62.9 | 70.0 |
| KR, SK | 67.1 | 63.3 | 71.3 | 62.9 | 67.5 | 60.0 | 57.1 | 57.1 | 61.7 | 55.8 | 51.3 | 57.1 | 58.3 | 62.1 | 59.2 |
| VR, SK | 57.9 | 51.3 | 61.3 | 63.8 | 60.8 | 56.7 | 50.4 | 55.4 | 60.0 | 63.3 | 51.7 | 54.6 | 58.8 | 62.1 | 65.0 |
| SP, KR | 55.4 | 53.3 | 62.9 | 62.5 | 57.5 | 55.0 | 50.4 | 56.7 | 62.1 | 55.8 | 52.1 | 55.0 | 59.2 | 60.8 | 59.2 |
| SM, KR | 54.2 | 57.5 | 62.9 | 68.3 | 65.8 | 55.0 | 51.7 | 59.6 | 60.0 | 63.3 | 52.1 | 56.3 | 56.7 | 60.8 | 58.3 |
| SS, KR | 54.2 | 62.1 | 48.8 | 63.3 | 65.8 | 53.3 | 59.6 | 65.0 | 60.4 | 69.2 | 52.9 | 71.3 | 68.3 | 62.1 | 68.3 |
| VR, KR | 54.2 | 43.8 | 51.7 | 61.3 | 53.3 | 52.9 | 56.3 | 51.3 | 60.8 | 59.2 | 52.9 | 56.7 | 62.9 | 62.1 | 65.0 |
| SM, SP | 67.9 | 56.7 | 72.9 | 64.6 | 66.7 | 64.2 | 42.9 | 58.8 | 63.3 | 61.7 | 60.8 | 47.9 | 59.6 | 59.2 | 53.3 |
| SM, VR | 65.8 | 55.8 | 72.1 | 65.0 | 68.3 | 59.6 | 44.6 | 64.2 | 61.7 | 65.8 | 55.4 | 47.9 | 62.1 | 62.9 | 65.0 |
| SS, SP | 53.8 | 62.1 | 56.7 | 64.2 | 61.7 | 69.2 | 57.9 | 59.2 | 64.6 | 63.3 | 66.7 | 67.5 | 67.9 | 62.5 | 62.5 |
| SS, VR | 59.6 | 61.7 | 55.4 | 62.9 | 61.7 | 57.5 | 62.1 | 60.8 | 63.3 | 64.2 | 59.6 | 66.3 | 67.1 | 64.6 | 65.0 |
| VR, SP | 49.2 | 55.0 | 64.6 | 62.1 | 59.2 | 59.6 | 53.3 | 60.8 | 60.8 | 62.5 | 54.6 | 55.0 | 65.0 | 62.9 | 69.2 |
| SM, SS | 60.8 | 62.9 | 63.8 | 66.7 | 65.8 | 75.0 | 58.3 | 59.2 | 67.1 | 67.5 | 75.0 | 68.3 | 68.8 | 63.3 | 75.8 |
| SP, SK | 59.6 | 58.8 | 59.6 | 61.3 | 59.2 | 47.1 | 57.5 | 55.8 | 55.8 | 52.5 | 64.2 | 63.8 | 71.3 | 70.4 | 76.7 |
| SM, SK | 59.6 | 62.1 | 62.9 | 64.6 | 59.2 | 47.5 | 53.8 | 51.7 | 57.9 | 50.8 | 65.8 | 65.8 | 72.5 | 72.9 | 76.7 |
| SS, SK | 59.6 | 56.7 | 59.6 | 63.8 | 63.3 | 47.5 | 55.4 | 57.1 | 63.8 | 63.3 | 65.8 | 67.1 | 73.8 | 75.8 | 80.0 |
| KR, SK | 62.1 | 48.3 | 49.6 | 62.5 | 51.7 | 54.2 | 52.5 | 46.3 | 62.5 | 50.0 | 77.5 | 67.5 | 65.8 | 72.1 | 78.3 |
| VR, SK | 59.6 | 59.6 | 57.1 | 60.0 | 60.8 | 47.5 | 60.8 | 58.8 | 62.9 | 55.8 | 65.8 | 63.8 | 75.0 | 70.4 | 75.8 |
| SP, KR | 56.7 | 39.6 | 54.2 | 62.5 | 56.7 | 57.9 | 58.8 | 57.9 | 59.2 | 56.7 | 71.3 | 67.5 | 74.2 | 69.2 | 74.2 |
| SM, KR | 55.8 | 43.8 | 60.4 | 60.0 | 58.3 | 58.8 | 53.3 | 53.8 | 62.5 | 55.8 | 71.3 | 66.3 | 74.2 | 72.9 | 80.0 |
| SS, KR | 55.4 | 44.2 | 49.2 | 62.5 | 50.0 | 58.3 | 56.3 | 63.8 | 65.0 | 62.5 | 71.3 | 71.7 | 73.8 | 71.3 | 79.2 |
| VR, KR | 55.4 | 50.8 | 47.5 | 51.7 | 50.8 | 58.3 | 60.8 | 65.4 | 62.9 | 54.2 | 71.3 | 66.7 | 73.8 | 68.8 | 72.5 |
| SM, SP | 57.1 | 38.3 | 57.1 | 58.3 | 57.5 | 57.1 | 55.8 | 57.1 | 59.6 | 53.3 | 73.8 | 59.6 | 67.5 | 62.1 | 70.8 |
| SM, VR | 64.2 | 49.2 | 63.8 | 56.7 | 57.5 | 60.4 | 58.8 | 60.0 | 64.6 | 57.5 | 61.7 | 56.3 | 63.8 | 62.1 | 70.8 |
| SS, SP | 52.5 | 41.7 | 47.9 | 61.3 | 57.5 | 65.8 | 62.1 | 63.3 | 65.8 | 63.3 | 66.3 | 60.4 | 72.5 | 70.8 | 74.2 |
| SS, VR | 62.5 | 52.1 | 54.2 | 52.5 | 55.8 | 65.4 | 63.8 | 62.1 | 65.8 | 70.8 | 66.3 | 57.9 | 68.8 | 73.3 | 70.0 |
| VR, SP | 54.6 | 57.5 | 55.0 | 48.3 | 57.5 | 53.3 | 62.5 | 65.0 | 62.5 | 52.5 | 57.9 | 62.9 | 74.6 | 65.4 | 75.8 |
| SM, SS | 66.7 | 47.5 | 61.3 | 58.3 | 57.5 | 73.8 | 57.1 | 54.6 | 65.0 | 63.3 | 77.5 | 60.4 | 77.1 | 78.8 | 85.8 |