| オプション | 内容 | 既定値 |
|---|---|---|
| -U | Use unpruned tree. | |
| -O | Do not collapse tree. | |
| -C <pruning confidence> | Set confidence threshold for pruning. | 0.25 |
| -M <minimum number of instances> | Set minimum number of instances per leaf. | 2 |
| -R | Use reduced error pruning. | |
| -N <number of folds> | Set number of folds for reduced error pruning. One fold is used as pruning set. | 3 |
| -B | Use binary splits only. | |
| -S | Don't perform subtree raising. | |
| -L | Do not clean up after the tree has been built. | |
| -A | Laplace smoothing for predicted probabilities. | |
| -J | Do not use MDL correction for info gain on numeric attributes. | |
| -Q <seed> | Seed for random data shuffling | 1 |
| -doNotMakeSplitPointActualValue | Do not make split point actual value. |