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Re: st: dropping dummies variables


From   Seb Buechte <sfbuechte@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: dropping dummies variables
Date   Tue, 30 Aug 2005 10:02:55 +0200

Federica,

posting the same mail twice or even three times will not increase the
number of responses. As I pointed out earlier you may have to post
some of your code and some of you data, so someone who wants to can
actually help you.

Kind regards,
sebastian

On 8/30/05, Federica Demaria <fede.dem@libero.it> wrote:
> > Dear all,
> > I have a panel of 7 countries, identified by the variable id. When I run the following regression
> > xi: reg y x1 x2 i.year i.id
> > as expected, Stata omits the first dummy of both the id and year sets of dummies.
> > The strange thing is that it also drops another dummy variable of both the mentioned sets of dummies, but it uses in the estimation the corresponding country and year.
> > Could you please help me in understanding the reason behind this dropping?
> > thank you in advance
> > Federica
> > Department of Economics anad Statistics
> > University of Calabria
> >
> >
> >
> >
> >
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> 
> 
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-- 
- Seb F Buechte
-
- Stay tuned!

*
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