One of the assumptions of the standard regression model y = Xβ + ε is that there is no exact linear relationship among the explanatory variables, or equivalently, that the matrix X of explanatory variables has a full rank.

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Multicollinearity

  • Vlasta Bahovec

摘要

One of the assumptions of the standard regression model y = Xβ + ε is that there is no exact linear relationship among the explanatory variables, or equivalently, that the matrix X of explanatory variables has a full rank.