Date:         Fri, 20 Nov 2009 17:51:56 -0800
Reply-To:     Tom Abernathy <tom.abernathy@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Tom Abernathy <tom.abernathy@GMAIL.COM>
Organization: http://groups.google.com
Subject:      Re: Macro question: How to created macro variables from a macro
Comments: To: sas-l@uga.edu
Content-Type: text/plain; charset=ISO-8859-1

>
> The one "problem" I did not solve, but rather worked around, was how
> to specify the length of the Statistic
> variable so that when I combine a number of data sets created by
> repeated macro calls this variable does not
> have different lengths.
>

Add a LENGTH statement BEFORE the assignment statement.
$32 is a good length as this is the limit for a SAS variable name.

DATA WORK.FREQ_&VAR ;
  SET WORK.FREQ_&VAR;
  length statistic $32 ;
  STATISTIC   ="&VAR" ;
...