![Visualize collinearity diagnostics](https://blogs.sas.com/content/iml/files/2020/02/CollinPlot1-640x336.png)
A previous article shows how to interpret the collinearity diagnostics that are produced by PROC REG in SAS. The process involves scanning down numbers in a table in order to find extreme values. This can be a tedious and error-prone process. Friendly and Kwan (2009) compare this task to a