基于SPSS的多元线性回归在产品销售中的应用

Application of Multiple Linear Regression based on SPSS in Product Sales

根据影响产品销售利润的主要因素,构建销售额、流通费用与销售利润的多元回归模型.运用多元线性回归法对数据进行分析,建立销售利润与消费额、流通费用间的回归方程,根据分析结果预测利润值.

According to the main factors that affect the profit of sales, the multiple linear relationship between sales, distribution and sales profit is established. The linear relation- ship is divided into 2 steps： one is the regression equation using multiple linear regression analysis method to analyze the data and establish sales profit and the amount of consump- tion, circulation costs between the two is according to the results of analysis and forecast profit value.