| Selection method | Selected feature subset | Correct classification using KNN |
| JD | W3, D6, D7, D8, D9 | 78.70% | SFS with QDA | TR, LE, SE, VarEn, W1, W2, W4, D8, D9 | 83.71% | SFS with LDA | SE, VarEn, W2, W3, D1, D3, D7, D8, D9, MPF | 81.20% | SFS with KNN | TR, LE, SE, VarEn, W1, W2, W3, W4, W5, D1, D2, D3, D4, D7, D8, MPF | 83.71% | BPSO with QDA | LE, VarEn, W1, W4, D1, D2, D4, D5, D8, D9 | 87.47% | BPSO with LDA | SE, VarEn, W1, W2, D1, D4, D8, MPF | 81.20% | BPSO with KNN | LE, SE, VarEn, W3, W4, D1, D3, D5, D6, D8 | 84.96% |
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