dummyClassifier         a method used for the train function in caret
dummyRegressor          a method used for the train function in caret
dummy_classifier        dummy classifier for a categorical variable.
dummy_classifier_caret
                        dummy classifier for a categorical variable,
                        used with the train function in caret.
dummy_regressor         dummy regressor for a numerical variable.
dummy_regressor_caret   dummy regressor for a numerical variable, used
                        in the train function in caret.
predict_dummy_classifier
                        dummy classifier predictor
predict_dummy_regressor
                        dummy regressor predictor
predict_proba           probabilities for predicting classes
