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Re: st: dummy table


From   Wafa Hakim Orman <wafa.orman@uah.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: dummy table
Date   Fri, 20 Feb 2009 20:02:34 -0600

duplicates drop id, force

should do it.

Hope this helps,
Wafa.

jota.be@web.de wrote:
Dear all

I wanna get from

id	dum1	dum2	dum3	dum4
1	1	0	0	0
1	0	1	0	0
1	0	0	0	1
2	0	1	0	0
2	0	0	1	0
3	1	0	0	0
3	0	1	0	0
3	0	0	1	0
3	0	0	0	1
4	0	1	0	0
5	1	0	0	0
5	0	0	1	0

to
id	dum1	dum2	dum3	dum4
1	1	1	0	1
2	0	1	1	0
3	1	1	1	1
4	0	1	0	0
5	1	0	1	0


Does anyone have an idea?

Thanks!
_______________________________________________________________________
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--
Wafa Hakim Orman
Assistant Professor
Department of Economics and Information Systems
College of Business Administration
University of Alabama in Huntsville
301 Sparkman Drive
Huntsville, AL 35899
(256) 824-5674
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