Use symgetfunction to resolve a macro variable with in same data step whil

DATA ABC;
INPUT TDATE DATE9. AVG;
CARDS;
18APR2008 150.00
19APR2008 167.00
20APR2008 123.00
21APR2008 145.00
;
RUN

HOW CAN I FIND THE DIFFERENCE BETWEEN AVG OF 18APR2008 ANF
21APR2008??

IF ANY ONE GETS IT PLS TRY TO POST IT.

Question Posted / abhilash

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Answer Posted / abhilash

Use symgetfunction to resolve a macro variable with in same
data step while creating macro variable using call symput.

DATA test;
SET ABC;
IF TDATE='18APR2008'D THEN
CALL SYMPUT('A2',AVG);
ELSE IF TDATE='21APR2008'D THEN
CALL SYMPUT('B2',AVG);
diff = symget('a2') - symget('b2');
RUN;

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