| Class | Description | 
|---|---|
| DecisionTreeModel | Decision tree model for classification or regression. | 
| DecisionTreeModel.SaveLoadV1_0$ | |
| GradientBoostedTreesModel | Represents a gradient boosted trees model. | 
| InformationGainStats | :: DeveloperApi ::
 Information gain statistics for each split
 param:  gain information gain value
 param:  impurity current node impurity
 param:  leftImpurity left node impurity
 param:  rightImpurity right node impurity
 param:  leftPredict left node predict
 param:  rightPredict right node predict | 
| Node | :: DeveloperApi ::
 Node in a decision tree. | 
| Predict | :: DeveloperApi ::
 Predicted value for a node
 param:  predict predicted value
 param:  prob probability of the label (classification only) | 
| RandomForestModel | Represents a random forest model. | 
| Split | :: DeveloperApi ::
 Split applied to a feature
 param:  feature feature index
 param:  threshold Threshold for continuous feature. |