Table 1 Characteristics of the classification tree methods
From: Stratification of the severity of critically ill patients with classification trees
| Â | CART | CHAID | C4.5 |
|---|---|---|---|
Description | Classification and Regression Tree | Chi-Square Automatic Interaction Detection | Concept Learning Systems Version 4.5 |
Developer | Breiman et al. (1984) | Kass (1980) | Quinlan (1993) |
Primary Use | Many disciplines with little data | Applied statisticians | Data miners |
Splitting Method | Gini reduction or twoing | Chi-square tests F test | Gain ratio |
Branch Limitations | Best binary split | Number of values of the input | Best binary split |
Pruning | Cross-validation | Uses p-values | Misclassification rates |
Programs | WEKA DTREG Answer-Tree (SPSS) | Answer-Tree (SPSS) | WEKA |