266a3862_art_III___Stats_With_Cats_Blog__Identification
[Your Model] Multicollinearity [Correction] Use diagnostic statistics like VIF to evaluate the effects of suspected multicollinearity. Remove intercorrelated independent variables from the model. [Identification] 
Calculate correlation coefficients and plot the relationships between all the independent variables in the model. Look for high correlations.
Regression Fantasies: Part III | Stats With Cats Blog
Identification