| Feature number | CFS-Spearman | CFS | mRMR | p-norm (p=0.9) | Feature set | Correct classificat-ion rate (%) | Feature set | Correct classificat-ion rate (%) | Feature set | Correct classificat-ion rate (%) | Feature set | Correct classificat-ion rate (%) |
| k=1 | | 56.6667 | | 56.6667 | | 50.6667 | | 56.6667 | k=2 | (4,14) | 69.3333 | (5,14) | 59.3333 | (4,12) | 63.3333 | (5,14) | 59.3333 | k=3 | (4,12,14) | 78 | (5,13-14) | 56.6667 | (4,12,16) | 76 | (4,12,14) | 64.6667 | k=4 | (4,7,12,14) | 75.3333 | (5,13-15) | 68.6667 | (4,9,12,16) | 73.3333 | (4,9,12,14) | 72 | k=5 | (2-5,7) | 77.3333 | (5,12-15) | 69.3333 | (4,6,9,12,16) | 74.6667 | (4,5,9,12,14) | 74.3333 | k=6 | (2-5,7,14) | 76 | (5,12-16) | 75.3333 | (2,4,6,9,12,16) | 74.6667 | (2,4,5,9,12,14) | 74.6667 | k=7 | (1-5,7,14) | 76 | (5-6,12-16) | 74.6667 | (2,4,6,9,12,15-16) | 76 | (1,2,4,5,9,12,14) | 76 | k=8 | (1-5,7-8,14) | 74.6667 | (5-6,10,12-14) | 74.6667 | (2,4-6,9,12,15-16) | 76 | (1,2,4-6,9,12,14) | 74.6667 | k=9 | (1-8,14) | 74.6667 | (5-6,10-16) | 74.6667 | (2-6,9,12,15-16) | 74.6667 | (1,2,4-6,9,12,14-15) | 74.6667 | k=10 | (1-8,13-14) | 74.6667 | (5-6,9-16) | 74.6667 | (2-6,9-10,12,15-16) | 74.6667 | (1-6,9,12,14-15) | 74.6667 | k=11 | (1-8,13-15) | 74.6667 | (4-6,9-16) | 74.6667 | (2-7,9-10,12,15-16) | 74.6667 | (1-6,9,12,14-16) | 72 | k=12 | (1-8,12-15) | 74.6667 | (1,4-6,9-16) | 74.6667 | (2-7,9-12,15-16) | 74.6667 | (1-6,8,9,12,14-16) | 72 | k=13 | (1-8,12-16) | 76 | (1,4-7,9-16) | 74.6667 | (1-7,9-12,15-16) | 74.6667 | (1-9,12,14-16) | 72 | k=14 | (1-8,10-14,16) | 72 | (1,4-16) | 76 | (1-12,15-16) | 74 | (1-9,11-12,14-16) | 71.6667 | k=15 | (1-8,10-16) | 75.3333 | (1,3-16) | 75.3333 | (1-12,14-16) | 75.3333 | (1-12,14-16) | 75.3333 |
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