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st: powerset of a list


From   "Carole J. Wilson" <carolejwilson@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: powerset of a list
Date   Sat, 23 Sep 2006 14:47:40 -0500

Thank you Jesper.    The .ado file is nicely written and well
commented. This will be very helpful.
Best, Carole

On 9/23/06, Jesper Kjr Hansen <kjaer.hansen@oncable.dk> wrote:
Maybe you can adapt the program _ffdtcomb, which I made a while
ago, for your needs?

 type http://www.nat.sdu.dk/users/nat-sdu/jkha01/ffdt/_ffdtcomb.ado

It takes a string of elements, e.g. a varlist, and returns all
possible combinations of the elements. The combinations are returned
in r().
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