Next, consider the regression coefficient variance-decomposition matrix. The tutorial is based on SPSS version 25. The following tutorial shows you how to use the "Collinearity Diagnostics" table to further analyze multicollinearity in your multiple regressions. The interpretation of this SPSS table is often unknown and it is somewhat difficult to find clear information about it. If the option "Collinearity Diagnostics" is selected in the context of multiple regression, two additional pieces of information are obtained in the SPSS output.įirst, in the "Coefficients" table on the far right a "Collinearity Statistics" area appears with the two columns "Tolerance" and "VIF".Īnd below this table appears another table with the title "Collinearity Diagnostics": How to interpret a Collinearity Diagnostics table in SPSSĪrndt Regorz, Dipl.
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