SAS - IF THEN ELSE Statement

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AnIF-THEN-ELSEstatement consists of a boolean expression with a THEN statements.This ia again followed by an ELSE Statement.

Syntax

The basic syntax for creating an if statement in SAS is −

IF (condition ) THEN result1;
ELSE result2;

If the condition evaluates to be true, then the respective observation is processed.

Flow Diagram

Example

DATA EMPDAT;
INPUT   EMPID ENAME $ SALARY DEPT $ DOJ DATE9.;
LABEL ID = 'Employee ID';
FORMAT DOJ DATE9.;
DATALINES;
1 Rick 623.3 IT 02APR2001
2 Dan 515.2 OPS 11JUL2012
3 Mike 611.5 IT 21OCT2000
4 Ryan 729.1 HR 30JUL2012
5 Gary 843.2 FIN 06AUG2000
6 Tusar 578.6 IT 01MAR2009
7 Pranab 632.8 OPS 16AUG1998
8 Rasmi 722.5 FIN 13SEP2014
;
Data EMPDAT1;
Set EMPDAT;
IF SALARY > 650 THEN SALRANGE ="HIGH";
ELSE SALRANGE = "LOW";
PROC PRINT DATA = EMPDAT1;
run; 

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

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