| Source | # Important Feature | # Total Features |
| Original sequence | 14 | 20 |
| k = 2 | 52 | 60 |
| k = 3 | 79 | 100 |
| k = 4 | 116 | 140 |
| k = 5 | 141 | 180 |
| k = 6 | 180 | 220 |
| k = 7 | 208 | 260 |
| Total | 790 | 980 |