Re: st: RE: lags for xi created vars

[Daniel Lawson <dlawson1@nd.edu>]

labor-force status, level of education, or marital status?  Given that 
race and gender are themselves social constructs, at least in theory 
they could also change over time.

On Oct 20, 2004, at 12:53 PM, Stas Kolenikov wrote:


> 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
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/