Table 7.
The average of F-score for DMDC, DWD, SVM by the number of predictor variables, the balance status of response classes, and the structure of correlation amongst predictors
| Models | |||||
|---|---|---|---|---|---|
| No. Predictors | Balance Ratio | Correlation str | DMDC | DWD | SVM |
| 100 | 0.5 | Independent | 0.985 (0.007) | 0.995 (0.002) | 0.847 (0.001) |
| Autoregressive | 0.908 (0.008) | 0.904 (0.012) | 0.526 (0.348) | ||
| Exchangeable | 0.866 (0.008) | 0.829 (0.023) | 0.706 (0.176) | ||
| 0.7 | Independent | 0.977 (0.011) | 0.999 (0.001) | 0.837 (0.001) | |
| Autoregressive | 0.89 (0.006) | 0.878 (0.014) | 0.567 (0.264) | ||
| Exchangeable | 0.822 (0.011) | 0.799 (0.021) | 0.707 (0.175) | ||
| 0.9 | Independent | 0.934 (0.034) | 0.988 (0.009) | 0.678 (0.002) | |
| Autoregressive | 0.862 (0.018) | 0.841 (0.026) | 0.603 (0.161) | ||
| Exchangeable | 0.806 (0.017) | 0.753 (0.031) | 0.607 (0.125) | ||
| 1000 | 0.5 | Independent | 0.949 (0.009) | 0.991 (0.004) | 0.616 (0) |
| Autoregressive | 0.895 (0.011) | 0.893 (0.01) | 0.427 (0.323) | ||
| Exchangeable | 0.844 (0.011) | 0.847 (0.011) | 0.585 (0.069) | ||
| 0.7 | Independent | 0.874 (0.038) | 0.983 (0.006) | 0.574 (0) | |
| Autoregressive | 0.844 (0.012) | 0.861 (0.015) | 0.63 (0.269) | ||
| Exchangeable | 0.817 (0.01) | 0.806 (0.015) | 0.554 (0.057) | ||
| 0.9 | Independent | 0.527 (0.039) | 0.622 (0.046) | 0.49 (0.001) | |
| Autoregressive | 0.783 (0.046) | 0.561 (0.035) | 0.641 (0.176) | ||
| Exchangeable | 0.778 (0.028) | 0.541 (0.031) | 0.487 (0.061) | ||
| 5000 | 0.5 | Independent | 0.849 (0.023) | 0.945 (0.01) | 0.576 (0) |
| Autoregressive | 0.812 (0.028) | 0.852 (0.015) | 0.552 (0.214) | ||
| Exchangeable | 0.814 (0.016) | 0.812 (0.015) | 0.548 (0.033) | ||
| 0.7 | Independent | 0.515 (0.049) | 0.912 (0.016) | 0.542 (0.023) | |
| Autoregressive | 0.566 (0.074) | 0.829 (0.017) | 0.542 (0.173) | ||
| Exchangeable | 0.678 (0.066) | 0.789 (0.016) | 0.48 (0.003) | ||
| 0.9 | Independent | 0.474 (0) | 0.665 (0.045) | 0.451 (0.018) | |
| Autoregressive | 0.474 (0) | 0.64 (0.043) | 0.548 (0.109) | ||
| Exchangeable | 0.475 (0.004) | 0.625 (0.042) | 0.447 (0.029) | ||
| 10000 | 0.5 | Independent | 0.77 (0.03) | 0.902 (0.013) | 0.533 (0.026) |
| Autoregressive | 0.747 (0.033) | 0.823 (0.017) | 0.51 (0.093) | ||
| Exchangeable | 0.75 (0.042) | 0.793 (0.016) | 0.549 (0.047) | ||
| 0.7 | Independent | 0.421 (0.012) | 0.787 (0.027) | 0.517 (0.021) | |
| Autoregressive | 0.429 (0.022) | 0.768 (0.024) | 0.534 (0.107) | ||
| Exchangeable | 0.454 (0.045) | 0.748 (0.026) | 0.519 (0.034) | ||
| 0.9 | Independent | 0.474 (0) | 0.487 (0.016) | 0.41 (0.004) | |
| Autoregressive | 0.474 (0) | 0.485 (0.015) | 0.511 (0.057) | ||
| Exchangeable | 0.474 (0) | 0.488 (0.035) | 0.42 (0.013) |