说明：  id3算法进行决策树生成 以信息增益最大的属性作为分类属性，生成决策树，从而得出决策规则。id3的源码决策树最全面最经典的版本.id3决策树的实现及其测试数据.id3 一个有用的数据挖掘算法，想必对大家会有所帮助！
(id3 decision tree algorithms to generate information gain the greatest attribute as a classification attributes, generate decision tree, Thus, it reached a decision-making rules. Id3 the most comprehensive source Decision Tree classic version. Id3 decision tree and the achievement test data. Id3 1 useful data mining algorithms, surely they will help you!)