batchClassifyWithDT.m calculatePercentCorrect.m classifyWithDT.m computeOptimalSplit.m computeOptimalSplit2.m figure1.fig figure2.fig gatherTreeStats.m pruneAllNodes.m pruneSingleGreedyNode.m pruneTreeToRootNode.m testX.csv testY.csv trainDT.m trainX.csv trainY.csv validationX.csv validationY.csv