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Re: st: xi and i. command


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: xi and i. command
Date   Tue, 23 Nov 2010 13:59:08 +0000 (GMT)

--- On Tue, 23/11/10, Wolney Conde wrote:
> recently I did a mistake using <xi> to create
> indicator variable and found an unknown [for me
> at least] performance in Stata. I type <i.variable> 
> without prefix <xi:> and have same results as when
> I type <xi:command var1 i.var2>. 

StataCorp made a lot of noice about that when they
introduced Stata 11. This is what they call the 
factor variable notation, see: -help factor variable-.

-- Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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