| Factor | Description | Level 1 | Level 2 | Level 3 |
| A | Saturation threshold | 60 (A1) | 65 (A2) | 70 (A3) |
| B | Coherent threshold | 5 (B1) | 10 (B2) | 15 (B3) |
| C | Number of features | 60 (C1) | 40 (C2) | 20 (C3) |
| D | Feature selection methods | SVM-RFE (D1) | OneR (D2) | ReliefF (D3) |
| E | Classification methods | C4.5 (E1) | SVM (E2) | Neural network (E3) |