This article takes a group of trails traces data analysis as an example, first introduces the correlation analysis, then establishes return model, last counts correlation regression equation.
文章以一组足迹数据分析为例，首先介绍相关分析，然后建立回归模型，最后计算出相关的回归方程。
Examples on volume equation of multiplicative regression model are illustrated.
例举了乘法回归模型的材积方程的应用实例。
This information is used to do multidimensional regression analysis, and an equation is gained, then the model is used for marginal and input-output analysis.
利用这些数据资料进行了复回归分析，得到了方程模型，并进行了边际及投入产出分析。
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