目录摘要：..............................................................................................................................................1关键词：..........................................................................................................................................1Abstract：.........................................................................................................................................1Keywords：.....................................................................................................................................1引言..................................................................................................................................................21一元线性回归的思想及其应用举例............................................................................................31.1一元线性回归模型.............................................................................................................41.2一元线性回归模型的检验.................................................................................................51.3一元线性回归模型举例.....................................................................................................62多元线性回归模型的思想及其应用举例....................................................................................92.1多元线性回归的数学模型.................................................................................................92.2多元线性回归模型的检验...............................................................................................102.3多元线性回归模型应用举例...........................................................................................112.3.1研究问题的提出....................................................................................................112.3.2数据采集与多元回归分析....................................................................................112.3.3EXCEL作回归分析确定待定系数的值.............................................................122.3.4总结........................................................................................................................133前进法、后退法、逐步回归法思想及其举例..........................................................................143.1前进法...............................................................................................................................143.1.1前进法回归分析的应用........................................................................................153.1.1.1回归方程.....................................................................................................153.1.1.2回归方程及系数检验.................................................................................153.2后退法...............................................................................................................................153.2.1后退法回归分析的应用........................................................................................163.2.1.1回归方程.....................................................................................................163.2.1.2回归方程及系数的检验.............................................................................163.3逐步回归法........................................................
