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%MACRO and %MEND
Learn %MACRO and %MEND in SAS through the exact construct, a dedicated example, a boundary case, and a mastery check.
%MACRO and %MEND is an atomic SAS lesson inside Macro Language. The example uses the specific syntax, command, API, instruction, or language rule named by this lesson.
Study the construct itself, then change one relevant input and predict the result before running it. That keeps this lesson focused on %MACRO and %MEND rather than on generic SAS syntax.
Topic-specific example
%macro greet(name); %put Hello &name.; %mend; %greet(Ava);
For %MACRO and %MEND, inspect the SAS log as well as the output data set; type conversion, missing values, and BY-group ordering can change results without stopping execution.