Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Storing Macros (External)

The video tutorial explains how SAS macros are typically stored temporarily and introduces a method to store them permanently by saving them to external files. It details the use of the percent include statement to compile macros from these files and provides an example using the report condition macro. The tutorial also clarifies the process of running and invoking macros, emphasizing the importance of understanding macro compilation and invocation to avoid duplicate outputs.

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