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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.
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Answer Posted / rohitbedi
Shortest answer: Copy the dataset and create a new field using difn function on avg where n=3 as shown below.
data abc2;
set abc;
diff = dif3(avg);
run;
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