Error messages in spss

Error message when performing multple regression in spss

Every now and then I get questions related to an error message that can occur when performing multiple regression analysis in spss: Tolerance = ,000 limit reached. In this post, I explain what this notification means, how it affects the results of the analysis, and how to overcome the problem.

Cause error message tolerance limit reached

The error message tolerance limit reached has to do with the fact that such a high degree of multicollinearity has been found that the regression analysis cannot be performed.

An important assumption of a multiple regression is that there is no multicollinearity; the predictors in the regression model should not be too strongly related to each other. When you get the above message, there is an (almost) perfect relationship between two or more predictors, also called