scope, sampling meaning in English

取样示波器

This thesis mainly researches on pattern of telecommunication management analysis and decision support in our fix - line telecommunication operation . first the construction of data warehouse is discussed , analyses the data of the base information , billing information and calling detail record of the customer , and then discuss the methods of data mining including defining the operation scope , sampling , data analysis , modeling and implementation we put focal point on the choice and design that the model of data mining , on the basis of the already studies of abroad and the actual needs of fix - line telecommunication company . three data mining models of our fix - line telecommunication operation are putted forward : customer value model , customer retention model , and customer segment model
本文对于固网通信业经营决策支持模式的探讨和研究,是从企业级数据仓库的构建出发,围绕如何提高企业客户细化和预测能力的问题,针对通信企业积累的大量客户基本信息、客户通话信息、客户帐单信息、客户缴欠费等数据,在数据挖掘方法论的指导下,通过业务问题范围、选取和抽样、探索型数据分析、建模和实施等步骤进行分析,阐述通信企业以数据仓库为核心的数据挖掘模型选择与设计的一般方法,提出我国固网通信运营业的三个数据挖掘应用模型:客户分群,客户流失和客户价值分析。