Date:         Fri, 7 Jan 2005 05:48:53 -0800
Reply-To:     ct <carstentopp@WEB.DE>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         ct <carstentopp@WEB.DE>
Organization: http://groups.google.com
Subject:      Re: Date Comparisons with Proc SQL.
Content-Type: text/plain; charset="iso-8859-1"

Hello Chad,

try this:

where
intnx('month',run_date,-13,'beginning') <= effct_date <=
intnx('month',run_date,-13,'end')

you can find some informations in the SAS Online Doc
http://v8doc.sas.com/sashtml/lgref/z0212700.htm
bye.....ct