%matlab决策树C4.5算法源代码functionD=C4_5(train_features,train_targets,inc_node,region)%ClassifyusingQuinlan'sC4.5algorithm%Inputs:%features-Trainfeatures%targets-Traintargets%inc_node-Percentageofincorrectlyassignedsamplesatanode%region-Decisionregionvector:[-xx-yynumber_of_points]%