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SAS - What is the significance of the OF in X=SUM (OF a1-a4, a6, a9);?




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asked mar September 20, 2014 06:29 AM  

What is the significance of the OF in X=SUM (OF a1-a4, a6, a9);?


           

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answered By vishnoiprem   0  

If don’t use the OF function it might not be interpreted as we expect. For example the function above calculates the sum of a1 minus a4 plus a6 and a9 and not the whole sum of a1 to a4 & a6 and a9. It is true for mean option also.

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