| Source | # Important Feature | # Total Features |
| Original sequence | 13 | 20 |
| k = 2 | 42 | 60 |
| k = 3 | 74 | 100 |
| k = 4 | 96 | 140 |
| k = 5 | 130 | 160 |
| Total | 355 | 480 |