C语言实现的决策树算法，广泛应用在模式识别中-C language implementation of the decision tree algorithm, widely used in pattern recognition

决策树模型的C++实现，可用来组成随机森林建立随机森林分类器做数据分类及图像分类，代码中有简单的测试样例-C++ implementation of decision tree model, to form a random forest is used to establish the random forest classifier for data classification and image classification, the code is simple test sample