Table 6 The correlation between the dataset indicators and intrinsic stability on whole datasets for MDA
From: An experimental study of the intrinsic stability of random forest variable importance measures
Coefficient | Dataset indicators | Spearman coefficient | Jaccard index | Kuncheva index | MARD | ||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | estimate | p.value | estimate | p.value | estimate | p.value | estimate | p.value |
Spearman | #feature/#sample | -0.8227 | 0.0000 | -0.7717 | 0.0001 | -0.7805 | 0.0001 | 0.7196 | 0.0005 |
| Â | #classes | 0.0162 | 0.9474 | 0.1868 | 0.4438 | 0.1976 | 0.4173 | -0.5079 | 0.0264 |
| Â | OOB accuracy | 0.4289 | 0.0669 | 0.6639 | 0.0019 | 0.6498 | 0.0026 | -0.4701 | 0.0423 |
Pearson | #feature/#sample | -0.7187 | 0.0005 | -0.7212 | 0.0005 | -0.6408 | 0.0031 | 0.2260 | 0.3522 |
| Â | #classes | 0.2913 | 0.2263 | 0.2038 | 0.4028 | 0.2428 | 0.3166 | -0.3893 | 0.0995 |
| Â | OOB accuracy | 0.3246 | 0.1751 | 0.3903 | 0.0985 | 0.4815 | 0.0368 | -0.2814 | 0.2432 |