Table 2 Hyperparameter adjustment of random forest model.
Hyperparameters | Test conditions |
|---|---|
Number of features considered at each split (mtry) | Number of variables × (0.05, 0.15, 0.25, 0.33, 0.4) |
Minimum node size | 1, 3, 5, 10, 15 |
Replace | True or False |
Sample fraction | 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8 |
Number of trees | 250, 300, 350, 400, 450, 500, 550, 600, 800, 1000, 2000 |