1 回归分析在冶金企业中应用的意义 回归分析就是研究变量与变量之间因果关系定量化的问题。回归分析可以分为一元线性回归分析、多元线性回归分析和非线性回归分析。回归分析不仅适用于具有因果关系问题的研究,而且还适用于时间序列问题的研究。 在冶金企业中,存在着因果关系和时间序列的问题是比较常见的,且往往一个因变量随多个变量的变化而变化。因此,在冶金企 1 Regression Analysis in Metallurgical Enterprises Significance of Regression Analysis is the study of variables and variables between the causal relationship quantitative problem. Regression analysis can be divided into a linear regression analysis, multiple linear regression analysis and nonlinear regression analysis. Regression analysis is not only suitable for the research with causation, but also for the study of time series. In metallurgical enterprises, it is quite common to have causal relationships and time series problems, and often one dependent variable changes with many variables. Therefore, the metallurgical enterprises