Dear Stas,
Thank you so much! Yes, that was what I thought, regarding having only measured variables. I will try reg3 and see what happens. Thanks again!
May
May Baydoun, PhD in Epidemiology (UNC-Chapel Hill) Staff Scientist, National Institute on Aging, NIH/IRP, Biomedical Research Center, Baltimore, MD
--- On Sun, 3/22/09, Stas Kolenikov <[email protected]> wrote:
> From: Stas Kolenikov <[email protected]>
> Subject: Re: st: gllamm with complex surveys
> To: [email protected]
> Date: Sunday, March 22, 2009, 9:58 AM
> The central idea of -gllamm- is to
> integrate out the random effects.
> If you don't have latent variables in your model, and all
> variables
> are observed, -gllamm- is not so useful -- in fact it has
> difficulties
> when you try to restrict variances to be zero. With this
> setting, you
> are in the realm of econometric simultaneous equation
> models estimable
> with say -reg3-. However the latter does not support -svy-
> features
> (and in fact -_robust- estimation, which is the principal
> mechanics
> behind -svy-). I think the question of robust standard
> errors in
> -reg3- came up a month or so on statalist though. You may
> have hope
> with a combination of -reg3-, -bs4rw- (by Jeff Pitblado)
> and
> -bsweights- (me) for bootstrap standard errors.
>
> On 3/21/09, MAY BAYDOUN <[email protected]>
> wrote:
> > Dear Statalisters,
> >
> > I was wondering if one can use gllamm to carry
> out structural equations modeling (without latent variables,
> just measured ones) and accounting for sample weights and
> design complexity (PSU, stratum etc.). If only weights can
> be accounted for that can be sufficient, but if all can be
> accounted for that would be better. Is there a way to
> combine svy: with gllamm? Thanks for your help on this,
> >
> > Sincerely yours,
> >
> > May
> >
> >
> > May Baydoun, PhD in Epidemiology (UNC-Chapel
> Hill) Staff Scientist, National Institute on
> Aging, NIH/IRP, Biomedical Research Center,
> Baltimore, MD
> >
> >
> >
> > *
> > * For searches and help try:
> > * http://www.stata.com/help.cgi?search
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
> >
>
>
> --
> Stas Kolenikov, also found at http://stas.kolenikov.name
> Small print: I use this email account for mailing lists
> only.
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
