Research Article
Group Feature Screening Based on Information Gain Ratio for Ultrahigh-Dimensional Data
Table 1
Simulation results for Model 1.
| | Condition | MMS | CP | | 5% | 25% | 50% | 75% | 95% | CP1 | CP2 | CP3 | Cpa |
| | Balanced Y, n = 80, | | GIGR-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | IG-SIS | 107.90 | 137.75 | 160.00 | 269.75 | 695.05 | 0.574 | 0.713 | 0.777 | 0.000 | | GIG-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 6.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gSIS | 7.00 | 9.75 | 12.00 | 14.00 | 20.00 | 0.902 | 0.996 | 1.000 | 1.000 | | gHOLP | 8.00 | 11.00 | 16.00 | 21.00 | 35.00 | 0.810 | 0.972 | 0.994 | 0.980 |
| | Balanced Y, n = 100, | | GIGR-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | IG-SIS | 139.25 | 191.00 | 246.00 | 283.00 | 331.55 | 0.711 | 0.851 | 0.899 | 0.000 | | GIG-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gSIS | 5.00 | 6.00 | 6.00 | 8.00 | 9.05 | 1.000 | 1.000 | 1.000 | 1.000 | | gHOLP | 5.00 | 6.00 | 8.00 | 9.25 | 14.05 | 0.992 | 1.000 | 1.000 | 1.000 |
| | Balanced Y, n = 120, | | GIGR-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | IG-SIS | 24.95 | 30.00 | 37.00 | 44.00 | 52.00 | 0.846 | 0.961 | 0.995 | 0.940 | | GIG-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gSIS | 5.00 | 5.00 | 5.00 | 5.00 | 6.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gHOLP | 5.00 | 5.00 | 5.00 | 6.00 | 7.00 | 1.000 | 1.000 | 1.000 | 1.000 |
| | Unbalanced Y,n = 80, | | GIGR-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | IG-SIS | 133.95 | 219.50 | 531.00 | 843.50 | 1154.05 | 0.523 | 0.681 | 0.747 | 0.000 | | GIG-SIS | 5.00 | 5.00 | 5.00 | 6.00 | 8.00 | 0.998 | 1.000 | 1.000 | 1.000 | | gSIS | 7.95 | 13.75 | 19.50 | 25.25 | 54.25 | 0.832 | 0.942 | 0.978 | 0.890 | | gHOLP | 8.00 | 17.00 | 24.00 | 36.25 | 67.05 | 0.804 | 0.902 | 0.950 | 0.750 |
| | Unbalanced Y, n = 100, | | GIGR-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | IG-SIS | 184.90 | 220.00 | 306.00 | 398.00 | 514.60 | 0.692 | 0.835 | 0.873 | 0.000 | | GIG-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 6.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gSIS | 5.00 | 6.00 | 7.00 | 8.00 | 12.05 | 0.998 | 1.000 | 1.000 | 1.000 | | gHOLP | 5.00 | 7.00 | 8.00 | 11.00 | 17.15 | 0.982 | 0.998 | 1.000 | 1.000 |
| | Unbalanced Y, n = 120, | | GIGR-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | IG-SIS | 20.00 | 22.00 | 25.00 | 30.25 | 43.15 | 0.807 | 0.991 | 0.999 | 0.990 | | GIG-SIS | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gSIS | 5.00 | 5.00 | 5.00 | 5.00 | 6.00 | 1.000 | 1.000 | 1.000 | 1.000 | | gHOLP | 5.00 | 5.00 | 5.00 | 5.25 | 6.05 | 1.000 | 1.000 | 1.000 | 1.000 |
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