Date:         Fri, 19 Nov 1999 14:00:20 -0000
Reply-To:     Peter Haran <pharan@GANDON.NOSPAM.IE>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Peter Haran <pharan@GANDON.NOSPAM.IE>
Organization: EUnet Ireland customer
Subject:      Re: Simple problem - but urgent...

There are a number of ways of doing this. You could use
LAG or temporary arrays as follows (Dataset containing the provided table is
called Table1).

data Table1; set Table1;

 array tNumVar{1};

 if NumVar = . then NumVar = tNumVar{1};
 tNumVar{1} = NumVar;

run;