expand_sigma_grid       Create a grid of sigma vectors for
                        Probabilistic Regression Trees
plot.prtree             Plot method for PRTree objects
plot.prtree.cv          Plot method for PRTree Cross-Validation objects
plot_tree               Plot a PRTree as a dendrogram with gamma and P
                        distributions
pr_tree                 Probabilistic Regression Trees (PRTrees)
pr_tree_control         Control parameters for PRTree
pr_tree_control_cv      Control parameters for PRTree with optional
                        cross-validation
pr_tree_cv              Cross-Validation for Probabilistic Regression
                        Trees
predict.prtree          Predict from a Probabilistic Regression Tree
                        Model
print.idx.split         Print method for idx.split objects
print.prtree            Print method for PRTree objects
print.prtree.control    Print method for PRTree control objects
print.prtree.control_cv
                        Print method for PRTree control objects
print.prtree.cv         Print method for PRTree Cross-Validation
                        objects
print.sigma_grid        Print method for sigma grid objects
print.summary.idx.split
                        Print method for summary of 'idx.split' objects
print.summary.prtree    Print method for summary of PRTree objects
print.summary.prtree.cv
                        Print method for summary of PRTree
                        Cross-Validation objects
summary.idx.split       Summary method for 'idx.split' objects
summary.prtree          Summary method for PRTree objects
summary.prtree.cv       Summary method for PRTree Cross-Validation
                        objects
train_test_split        Split data into training and testing sets
