Table 4. Features importance.
| Rank | Feature name | Mean decreaseGini index |
| 1 | MFE of seed region | 73.382 |
| 2 | Position 2 | 25.282 |
| 3 | G:C’s in seed region | 23.232 |
| 4 | MFE of complete alignment | 20.210 |
| 5 | Position 4 | 18.036 |
| 6 | A:U’s in complete alignment | 14.937 |
| 7 | Alignment score | 14.894 |
| 8 | G:U’s in seed region | 14.12 |
| 9 | A:U’s in seed region | 13.23 |
| 10 | Position 7 | 12.702 |
| 11 | Position 6 | 12.104 |
| 12 | G:C’s in complete alignment | 11.028 |
| 13 | Position 15 | 10.043 |
| 14 | Alignment length | 9.954 |
| 15 | Position 13 | 9.702 |
| 16 | Mismatches in complete alignment | 9.672 |
| 17 | Position 3 | 8.644 |
| 18 | Position 16 | 8.576 |
| 19 | Position 5 | 8.249 |
| 20 | Position 8 | 7.709 |
| 21 | Position 9 | 7.667 |
| 22 | G:U’s in complete alignment | 7.297 |
| 23 | Position 1 | 6.625 |
| 24 | Position 10 | 6.114 |
| 25 | Position 14 | 6.024 |
| 26 | Position 11 | 5.978 |
| 27 | Position 20 | 5.770 |
| 28 | Position 18 | 5.348 |
| 29 | Position 17 | 5.045 |
| 30 | Position 12 | 5.027 |
| 31 | Gaps in complete alignment | 4.895 |
| 32 | Position 19 | 4.087 |
| 33 | Mismatches in seed region | 2.939 |
| 34 | Gaps in seed region | 0.000 |
Ranking given according to features importance computed in the course of training. The decrease in nodes impurity, measured by the Gini index, is computed as the average among all trees.