论文部分内容阅读
一元线性回归模型是最简单的计量经济学模型,反映的是一个因变量和一个自变量之间的数量变动对应关系。本文通过调查问卷获得一系列化妆品消费与月收入的数据,利用EXCEL计算出相关系数,绘制出散点图,并且建立一元线性回归模型,分析两者之间的关系,从而为从事化妆品行业的微商提出相关建议。
The univariate linear regression model is the simplest econometric model that reflects the quantitative correspondence between a dependent variable and an independent variable. This paper obtains a series of data about the consumption of cosmetics and monthly income from the questionnaire, calculates the correlation coefficient by EXCEL and draws a scatter plot, and establishes a one-dimensional linear regression model to analyze the relationship between the two, so as to engage in the cosmetics industry’s micro Propose relevant recommendations.