Table 6.
The confusion matrices for the first principal component combined with the NN, PNN, and KNN across 10 folds.
| Original | Predicted | |||||||
|---|---|---|---|---|---|---|---|---|
| N | S | V | F | PPV (%) | SEN (%) | SPEC (%) | ||
| NN | N | 83508 | 2621 | 2799 | 1072 | 92.4 | 92.8 | 97.5 |
| S | 3144 | 84182 | 1946 | 728 | 94.0 | 93.5 | 98.0 | |
| V | 1434 | 996 | 86100 | 1460 | 91.7 | 95.7 | 97.1 | |
| F | 2270 | 1803 | 3069 | 82858 | 96.2 | 92.1 | 97.4 | |
|
| ||||||||
| PNN | N | 86738 | 1225 | 1459 | 578 | 97.8 | 96.4 | 99.3 |
| S | 1646 | 88085 | 214 | 55 | 98.6 | 97.9 | 99.5 | |
| V | 50 | 13 | 89797 | 140 | 98.1 | 99.8 | 99.4 | |
| F | 228 | 27 | 21 | 89724 | 99.1 | 99.7 | 99.9 | |
|
| ||||||||
| KNN | N | 87816 | 690 | 1091 | 403 | 96.5 | 97.6 | 98.8 |
| S | 2418 | 86520 | 627 | 435 | 98.9 | 96.1 | 99.7 | |
| V | 156 | 62 | 89612 | 170 | 98.0 | 99.6 | 99.3 | |
| F | 572 | 186 | 112 | 89130 | 98.9 | 99.0 | 99.7 | |