数据挖掘导论 Pang-ning Tan, Michael Stieinbach, and Vipin Kumar 著 Pearson Education LTD. 范明 等译 人民邮电出版社第4章分类：基本概念、决策树 与模型评估 引言: 预备知识, 解决分类问题的一般方法 决策树归纳 模型的过分拟合 评估分类器的性能 引言* 数据挖掘导论 4 分类: 定义 n Given a collection of records (training set ) n Each record contains a set of attributes, one of the attributes is the class. n Find a model for class attribute as a function of the values of other attributes. n Goal: previously unseen records should be assigned a class as accurately as possible. n A test set is us
