Using SAS Macro Variables
%LET Statement
The SAS macro language enables you to design dynamic
programs that you can easily update or modify.
A macro variable can
be defined to represent a string of text that appears in your program.
For example, if you reference a specific variable value in multiple
places in a program, you can substitute a macro variable in its place.
Then, if you want to update the value of the variable, you need to
update the macro variable definition only once, rather than searching
through your code to find the value in multiple places. It is common
to place macro variable assignments at the top of SAS programs.
Use the %LET statement
to create a macro variable and assign it a value.
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Syntax, %LET statement:
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