Table 5.
Test accuracy results (%) of random forest models, GRRF(0.1), varSelRF, and LASSO logistic regression, applied to gene datasets. The average results of 100 repetitions were computed; higher values are better. The number of genes in the strong group X s and the weak group X w is used in xRF.
| Dataset | xRF | RF | wsRF | GRRF | varSelRF | LASSO | X s | X w |
|---|---|---|---|---|---|---|---|---|
| colon | 87.65 | 84.35 | 84.50 | 86.45 | 76.80 | 82.00 | 245 | 317 |
| srbct | 97.71 | 95.90 | 96.76 | 97.57 | 96.50 | 99.30 | 606 | 546 |
| Leukemia | 89.25 | 82.58 | 84.83 | 87.25 | 89.30 | 92.40 | 502 | 200 |
| Lymphoma | 99.30 | 97.15 | 98.10 | 99.10 | 97.80 | 99.10 | 1404 | 275 |
| breast.2.class | 78.84 | 62.72 | 63.40 | 71.32 | 61.40 | 63.40 | 194 | 631 |
| breast.3.class | 65.42 | 56.00 | 57.19 | 63.55 | 58.20 | 60.00 | 724 | 533 |
| nci | 74.15 | 58.85 | 59.40 | 63.05 | 58.20 | 60.40 | 247 | 1345 |
| Brain | 81.93 | 70.79 | 70.79 | 74.79 | 76.90 | 74.10 | 1270 | 1219 |
| Prostate | 92.56 | 88.71 | 90.79 | 92.85 | 91.50 | 91.20 | 601 | 323 |
| Adenocarcinoma | 90.88 | 84.04 | 84.12 | 85.52 | 78.80 | 81.10 | 108 | 669 |