It’s early March and one of these days, the snow will melt here in Minnesota, the ice will disappear from the lakes, and spring will arrive. On my list of things to do this spring is a third edition of SAS Macro Programming Made Easy. It’s time to update the
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Spring cleaning tips: Macro variables and hash objects
Understanding ridge regression in SAS
Someone recently asked a question on the SAS Support Communities about estimating parameters in ridge regression. I answered the question by pointing to a matrix formula in the SAS documentation. One of the advantages of the SAS/IML language is that you can implement matrix formulas in a natural way. The
Custom tasks for SAS Enterprise Guide: Q&A
Last week I delivered a SAS Talks session: Introduction to Custom Tasks for SAS Enterprise Guide (click to watch it). I promised that I would share a collection of resources where you can learn more information. First, here is a round-up of the custom tasks that I mentioned, with links