The main work and results in this paper include: 1. We give a short review on the customer churn analysis and related data mining methodology applications in customer churn.

论文的主要工作和成果包括：1。综述了客户流失分析以及数据挖掘的研究现状，论述了客户流失分析的相关问题。

youdao

There are some methods for data mining, and then Rough Sets methodology is one of important methods.

进行数据挖掘的方法有许多，而粗集方法便是其中的主要方法之一。

youdao

There are some methods for data mining, and Rough Sets methodology is one of important methods.

进行数据挖掘的方法很多，粗集方法便是其中的主要方法之一。

youdao