multicollinearity

/ˌmʌltikəˌlɪniˈɛrəti/
noun
  1. A statistical condition in which two or more predictor variables in a regression model are highly correlated, making it difficult to determine the individual effect of each variable.
    • High multicollinearity can inflate the standard errors of the coefficients.
    • The data analyst checked for multicollinearity before building the regression model.
    • To reduce multicollinearity, the researcher removed one of the highly correlated variables.
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