Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Macro Variable Assignment Rules

The video tutorial explains the rules for assigning values to macro variables in SAS. It covers various examples, including handling special characters, blanks, empty values, zero values, and mathematical expressions. The tutorial also demonstrates how to combine values from different macro variables.

What will be the output when a macro variable is assigned a mathematical expression?

Explain how macro variables can invoke other macro variables in SAS.