baseRPlotting           Plot Second Order vs First Order minimal depth
                        of a maximal subtree depth for base R
binForestByDepth        Bin Forest by Depth
calculateAMDMS          Forest Averaged Minimal Depth of a Maximal
                        Subtree (AMDMS)
countSplitsPerVar       Count Splits Per Variable
getAndPlotMetric        Calculate the metric and make Second Order vs
                        First Order plot
lookForVarsAbsentInForest
                        Look for Variable ID's that didn't occur in the
                        Forest.
plotAMDMSvsNumSplits    Plot metric vs number of splits per variable.
plotFirstAndSecondOrderMetric
                        Plot Second Order vs First Order, minimal depth
                        of a maximal subtree, averaged over the forest
                        (shortened to "metric" for brevity)
recursiveDepthBinning   Recursive Depth Binning
startRecursiveDepthBinning
                        Start Recursive Depth Binning
