avSize                  Compute the average tree size in a forest
getNodeData             Retrieve the subset of the data found at a
                        given terminal node
nodePlot                Plots the trajectories of each terminal node
                        side by side.
plotImp                 Create a barplot of relative variable
                        importance scores.
plotNode                Plot the predicted trajectory for a single node
predictCoeffs           Predict spline coefficients for a testset using
                        a spline tree
predictCoeffsForest     Predict spline coefficients for a testset using
                        a splineforest.
predictY                Predictions from a spline tree
predictYForest          Predict responses for a testset using a
                        splineforest.
projectedR2             Computes percent of variation in projected
                        response explained by a splinetree.
projectedR2Forest       Computes a level-based or shape-based
                        evaluation metric for a splineforest.
pruneForest             Prune each tree in forest using a given
                        complexity parameter.
spaghettiPlot           Create a faceted spaghetti plot of a splinetree
                        model
splineForest            Build a spline random forest.
splineTree              Build a splinetree model.
splineTreePlot          Creates a tree plot of a spline tree.
stPlot                  Plots a splinetree.
stPrint                 Print a spline tree in the style of print.rpart
terminalNodeSummary     Prints a summary of a terminal node in a tree
treeSimilarity          Returns a measure of how similar the two trees
                        are.
treeSize                Returns number of terminal nodes in a tree.
treeSummary             Returns the tree frame.
varImpCoeff             Random Forest Variable Importance based on
                        spline coefficients
varImpY                 Random Forest Variable Importance based on Y
yR2                     Computes percent of variation in response
                        explained by spline tree.
yR2Forest               Computes a level-based evaluation metric for a
                        splineforest that was built WITH an intercept.
