Table 2.
Simulation results for Models 5–8. (n, p, s) = (200, 1100, 44). Sensitivity, specificity, MCC, number of selected genes, number of false positives (FPs), and mean squared error (MSE) were averaged over 50 replicates. Lnet: Laplcian net; AdaLnet: adaptive Laplacian net; Lasso: ℓ1-penalty; Enet: elastic net; GLγ: group ℓγ-penalty. Standard errors are given in the Supplementary Material.
| Method | Sensitivity | Specificity | MCC | # of genes | # of FPs | MSE |
|---|---|---|---|---|---|---|
| Model 5 | ||||||
| Lnet | 0.491 | 0.989 | 0.575 | 10.65 | 12.08 | 0.077 |
| AdaLnet | 0.567 | 0.996 | 0.687 | 29.55 | 4.62 | 0.077 |
| Lasso | 0.339 | 0.977 | 0.337 | 39.61 | 24.71 | 0.073 |
| Enet | 0.649 | 0.985 | 0.651 | 44.83 | 16.28 | 0.078 |
| GLγ | 0.377 | 0.999 | 0.586 | 17.46 | 0.88 | 0.076 |
| Model 6 | ||||||
| Lnet | 0.439 | 0.996 | 0.600 | 23.52 | 4.22 | 0.076 |
| AdaLnet | 0.642 | 0.996 | 0.732 | 31.43 | 3.98 | 0.076 |
| Lasso | 0.404 | 0.973 | 0.369 | 46.74 | 28.98 | 0.069 |
| Enet | 0.650 | 0.988 | 0.675 | 41.61 | 13.00 | 0.078 |
| GLγ | 0.523 | 0.998 | 0.686 | 24.78 | 1.75 | 0.076 |
| Model 7 | ||||||
| Lnet | 0.518 | 0.985 | 0.553 | 35.06 | 16.43 | 0.067 |
| AdaLnet | 0.587 | 0.992 | 0.639 | 29.61 | 8.48 | 0.067 |
| Lasso | 0.424 | 0.969 | 0.349 | 47.99 | 32.73 | 0.061 |
| Enet | 0.656 | 0.983 | 0.610 | 42.05 | 18.42 | 0.069 |
| GLγ | 0.507 | 0.994 | 0.606 | 24.87 | 6.62 | 0.066 |
| Model 8 | ||||||
| Lnet | 0.483 | 0.993 | 0.582 | 24.83 | 7.45 | 0.067 |
| AdaLnet | 0.641 | 0.992 | 0.673 | 31.84 | 8.76 | 0.067 |
| Lasso | 0.458 | 0.969 | 0.373 | 49.22 | 32.74 | 0.059 |
| Enet | 0.676 | 0.984 | 0.632 | 41.10 | 16.78 | 0.069 |
| GLγ | 0.564 | 0.994 | 0.647 | 26.41 | 6.10 | 0.067 |