Processing Statements Iteratively

Overview

Many macro applications require iterative processing. With the iterative %DO statement that you can repeatedly
  • execute macro programming code
  • generate SAS code.
General form, iterative %DO statement with %END statement:
%DO index-variable=start %TO stop <%BY increment>;
text
%END;
Here is an explanation of the syntax:
index-variable
is either the name of a macro variable or a text expression that generates a macro variable name.
start and stop
specify either integers or macro expressions that generate integers to control how many times the portion of the macro between the iterative %DO and %END statements is processed.
increment
specifies either an integer (other than ...

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