用c++实现的决策树算法，windows环境下，希望对学习数据结构和算法的朋友有所帮助。-achieve with the Decision Tree Algorithm, windows environment, and I hope to learn from data structures and algorithms friends help.

win下C++实现C4.5算法,图形界面具有测试功能.采用悲观后剪枝,使用增益比进行连续属性离散化.-Win C++ C4.5 algorithm under realization, graphic interface with test function. After the pessimistic pruned, use than to gain discretization.