Describe in details the process of establish the model of the predication of customer churning of phs ( personal handy phone system ) . the first result of this topic is to analyse the phs ’ s data characteristic . the second result is succeed to establish the data model 本课题的第一个成果是对无线市话小灵通的数据特征进行了全面的分析和总结;第二个成果是在成功分析数据特征的基础上建立了客户流失预测模型。