Correlated categorical predictors in logistic regression Suppose I have three categorical variables, x, y, and z and I have a binary response variable r. I want to predict the response using the glm model.
Should I check the association between x, y, and z with chisq.test? What if all of them are significantly correlated? I can't do the prediction?

Correlation/association among the categorical predictors is not by itself a problem, unless it is severe. So just fit your logistic regression, and only think about problems if they occur then.
For further advice we would need more information.
