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Date:   Tue, 11 Apr 2006 12:44:12 -0400
Reply-To:   Rathindronath <mehedisas@YAHOO.COM>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   Rathindronath <mehedisas@YAHOO.COM>

I have variables A, B & C as follows in a dataset:

A B D 1 1 1 2 3 5 9 1

I need to check if varibales C & E exits in that dataset. If variable C & E is not in that dataset then have those two variables as follows without any values for C & E:

A B C D E 1 1 1 2 3 5 9 1

Thanks in advance to write this code.

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