Table 3.
Comparison among the best subsets found and top-k ranked descriptors.
| Datasets | Instances | Best merit scoresa | Merit scores of top-k ranked descriptorsb | ||||
|---|---|---|---|---|---|---|---|
| k | |||||||
| 20 | 30 | 40 | 50 | 60 | |||
| Overall_NR98 | 32300 | 3.985 | 3.92 | 3.96 | 3.962 | 3.958 | 3.942 |
| Overall_NR90 | 22512 | 3.87 | 3.79 | 3.827 | 3.829 | 3.822 | 3.807 |
| Overall_NR70 | 14559 | 3.667 | 3.577 | 3.608 | 3.616 | 3.607 | 3.589 |
| Overall_NR50 | 9428 | 3.474 | 3.368 | 3.396 | 3.406 | 3.403 | 3.388 |
| Overall_NR30 | 4735 | 3.13 | 3.051 | 3.057 | 3.044 | 3.038 | 3.035 |
| Antibacterial_NR98 | 10303 | 3.41 | 3.336 | 3.361 | 3.364 | 3.356 | 3.334 |
| Antifungal_NR98 | 4546 | 3.059 | 2.98 | 3.018 | 3.01 | 3.011 | 2.993 |
| Antiviral_NR98 | 3849 | 3.031 | 2.956 | 2.992 | 3.001 | 3.001 | 2.995 |
| Anticancer_NR98 | 1557 | 2.588 | 2.517 | 2.552 | 2.55 | 2.54 | 2.529 |
| Antiparasitic_NR98 | 501 | 2.11 | 2.042 | 2.063 | 2.06 | 2.065 | 2.061 |
| Averages | 3.232 | 3.154 | 3.183 | 3.184 | 3.180 | 3.167 | |
aMerit scores of best subsets found.
bMerit scores of the top-k ranked descriptors from the candidate feature set.