SAS - DO Index Loop

This DO Index loop uses a index variable for its start and end value. The SAS statements are repeatedly executed until the final value of the index variable is reached.

Syntax

DO indexvariable = initialvalue to finalvalue ;
. . . SAS statements . . . ;
END;

Example

DATA MYDATA1;
SUM = 0;
DO VAR = 1 to 5;
   SUM = SUM+VAR;
END;

PROC PRINT DATA = MYDATA1;
RUN;

When the above code is executed, it produces the following result