Table 1.
The feature selection results of the filter methods
| IG | CHI | ReliefF | CFS | |||||
|---|---|---|---|---|---|---|---|---|
| Structural features | 200 | 300 | 200 | 300 | 200 | 300 | 200 | 300 |
| A-philicity | 2 | 5 | 2 | 5 | 5 | 4.7 | 7.9 | 8.8 |
| B-DNA twist | 0 | 0 | 0 | 0 | 2 | 2.7 | 6.2 | 4.7 |
| Bendability | 2 | 3 | 2 | 3 | 6 | 6.7 | 8.4 | 7.8 |
| Stacking energy | 3 | 3 | 3 | 3 | 7 | 7.7 | 5.7 | 9.4 |
| DNA-bending stiffness | 19.5 | 17.3 | 20 | 17.3 | 13 | 12 | 17.6 | 9.4 |
| DNA denaturation | 11 | 14.7 | 10.5 | 14.7 | 9 | 9.7 | 18.9 | 10.1 |
| Duplex free energy | 21.5 | 20 | 22 | 20 | 15 | 15.7 | 11 | 8.5 |
| Duplex disrupt energy | 23.5 | 17.7 | 23 | 17.7 | 17.5 | 16.3 | 5.7 | 5 |
| Nucleosome position | 2 | 2.3 | 2 | 2.3 | 3 | 4 | 2.6 | 7.5 |
| Propeller twist | 6 | 8 | 6 | 7.7 | 5.5 | 5.3 | 5.3 | 9.1 |
| Protein deformation | 4 | 4 | 4 | 4 | 6.5 | 5.7 | 3.1 | 7.5 |
| Protein-DNA twist | 2 | 1.3 | 2 | 1.3 | 3.5 | 4 | 4.4 | 4.7 |
| Z-DNA | 3.5 | 3.7 | 3.5 | 4 | 7 | 5.7 | 3.1 | 7.5 |
The distribution of each feature in the dimension subset selected by different filter methods. The percentage of each feature in a selected subset is calculated as follows: (the number of dimensions related to the feature/the total number of dimensions in the selected dimension subset)*100%.