Checking Collinearity of Predictors

Figure 1. Within-groups correlation matrix
Correlation matrix with predictors (independent variables) in both the rows and columns

The within-groups correlation matrix shows the correlations between the predictors. The largest correlations occur between Credit card debt in thousands and the other variables, but it is difficult to tell if they are large enough to be a concern. Look for differences between the structure matrix and discriminant function coefficients to be sure.

Next