林同学2019-09-07 03:22:02
林同学Stratification is not related to regression analysis. Multicollinearity occurs when the independent variables are themselves correlated. Heteroscedasticity occurs when the variances are different across observations, and autocorrelation occurs when successive observations are influenced by the proceeding observations.
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Crystal2019-09-09 14:48:34
Crystal同学你这是在做笔记嘛。
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