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Re: st: RE: lags for xi created vars


From   Stas Kolenikov <skolenik@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: lags for xi created vars
Date   Wed, 20 Oct 2004 13:53:59 -0400

I am just curious -- why would you need to take lags of anything
produced by -xi-? I usually think of the categorical variables as
something fixed, like one's race or gender.

> >>I have created a set of vars using xi command that has resulted in
> >>_IstXab_1 _IstXab_2, etc.
> >>
> >>The following reference to the varlist works:
> >>
> >>regress y _IstXab*
> >>
> >>However, I cannot use lag or difference operators:
> >>
> >>regress y l._IstXab*
> >>
> >>results in error of:
> >>
> >>_IstXab* ambiguous abbreviation

-- 
Stas Kolenikov
http://stas.kolenikov.name
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