Table 3 Evaluation metrics of position combination features at different L of PO43−
From: Prediction of acid radical ion binding residues by K-nearest neighbors classifier
L | Optimal k value | Sn (%) | Sp (%) | Acc (%) | FPR (%) | MCC |
|---|---|---|---|---|---|---|
5 | 77 | 76.6 | 69.6 | 73.1 | 30.4 | 0.463 |
7 | 23 | 76.9 | 71.8 | 74.4 | 28.2 | 0.488 |
9 | 33 | 76.1 | 73.8 | 75.0 | 26.2 | 0.500 |
11 | 17 | 76.2 | 74.5 | 75.3 | 25.5 | 0.507 |
13 | 15 | 76.0 | 75.4 | 75.7 | 24.6 | 0.514 |
15 | 21 | 76.7 | 74.4 | 75.5 | 25.6 | 0.510 |
17 | 21 | 78.0 | 72.8 | 75.4 | 27.2 | 0.508 |