Table 5 The performance of composition combination features by KNN classifier
From: Prediction of acid radical ion binding residues by K-nearest neighbors classifier
Ligand | Optimal k value | Sn (%) | Sp (%) | Acc (%) | FPR (%) | MCC |
|---|---|---|---|---|---|---|
NO2− | 77 | 57.1 | 76.5 | 66.8 | 23.5 | 0.343 |
CO32− | 35 | 63.6 | 59.5 | 61.6 | 40.5 | 0.231 |
SO42− | 25 | 66.0 | 61.7 | 63.9 | 38.3 | 0.277 |
PO43− | 71 | 69.1 | 66.3 | 67.7 | 33.7 | 0.355 |