【摘要】 汇总被广泛应用于数据分析,是一种对原始数据进行统计加工整理的过程。传统的专用汇总需要针对各种需求编写专用程序加以处理,工作量大、效率低。文章详细介绍了一个通用汇总模块的设计及实现,通过参数定义,可以大大减轻编写汇总程序的压力。文章还给出了该通用汇总算法的测试结果。更多还原

【Abstract】 In data analysis,congregate is a process of large amount original data.Traditionally,a special congregate pro-gram,which often works with poor efficiency,must be used for each case.This paper introduces the design and imple-mentation of a general gather module.It can improve the program quality and productivity greatly by using parameteri-zation.Finally,It also gives the result of the testing.更多还原