[...] In my blog posts, I usually define a module in a PROC IML session and then immediately use it. However, sometimes it is useful to store modules so that they are available in future SAS/IML sessions. You can store SAS/IML modules by using the RESET STORAGE statement to define a permanent location and by using the STORE statement to save the modules. Details and examples are presented in my book and in my article "How to Store and Load SAS/IML Modules." …