| build_forest_predict | Prediction using Random Forest or Multivariate Random Forest |
| build_single_tree | Model of a single tree of Random Forest or Multivariate Random Forest |
| CrossValidation | Generate training and testing samples for cross validation |
| Imputation | Imputation of a numerical vector |
| Node_cost | Information Gain |
| predicting | Prediction of testing sample in a node |
| single_tree_prediction | Prediction of Testing Samples for single tree |
| splitt2 | Split of the Parent node |
| split_node | Splitting Criteria of all the nodes of the tree |
| variable_importance_measure | Calculates variable Importance of a Regression Tree Model |