Michael,
Thank you kindly for your suggestions.
Best,
Dari
--- Michael Ingre <[email protected]> wrote:
> Dear Dari,
>
> Unfortunately, -gllamm- relies on numerical
> integration and is not very
> fast in higher dimensional models, especially not
> with continuos
> outcomes. Also, it is recommended to use the -adapt-
> option with
> continuos outcomes. There are two techniques you
> could use to speed up
> -gllamm-. 1) Use -contract- to reduce the number of
> observations and
> calculate frequency weights for use with the -wt()-
> option of gllamm.
> 2) Start with fewer integration points to get
> approximate starting
> values for use in your final model. Computing time
> increases approx
> exponentially with number of integration points and
> the number of
> random effects. The first option might not be very
> efficient for you
> because you have (it seems) continuos x-variables in
> your model. The
> second approach looks like this:
>
> . gllamm volun schmooz soctrust macher happy educ
> income marital ///
> , i(respno friend zip) nip(4) adapt // starting
> values with 4
> quadrature points
> . matrix b = e(b)
> . gllamm volun schmooz soctrust macher happy educ
> income marital ///
> , i(respno friend zip) from(b) nip(8) adapt //
> increase to 8
> . matrix b = e(b)
> . gllamm volun schmooz soctrust macher happy educ
> income marital ///
> , i(respno friend zip) from(b) nip(16) adapt //
> check the stability
> of the results see -whelp quadchk- for info.
>
> Michael
>
>
>
> On 2004-11-20, at 13.33, Dari Sylvester wrote:
>
> > Greetings, Statlisters:
> >
> > I am currently running a 3-level nested model in
> > gllamm with an n=30,000. It has been running for
> 39
> > hours and it on iteration 7.
> >
> > I have been told these programs may run overnight,
> but
> > never heard of something this long. Since I'm new
> to
> > gllamm, I'm afraid I've done something wrong.
> I've
> > included the commands below:
> >
> > gllamm volun schmooz soctrust macher happy educ
> income
> > marital, i(respno friend zip)
> >
> > ----------------------------------------
> > Volun = DV; schmooz - marital = explanatory vars;
> > respno, friend, zip are my 3 levels
> >
> > Does anyone have any insight on this??
> >
> > Thanks much!
> > Dari
> >
> >
> >
> > =====
> >
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> >
> > Dari Elise Sylvester
> >
> > Doctoral Candidate
> >
> > Department of Political Science, Stony Brook
> University
> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >
> >
> >
> >
> >
> >
> >
> >
> > __________________________________
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> >
> > *
> > * 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/
> >
> >
> ------------------------------------------------
> Michael Ingre , PhD student & Research Associate
> Department of Psychology, Stockholm University &
> National Institute for Psychosocial Medicine IPM
> Box 230, 171 77 Stockholm, Sweden
>
> *
> * 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/
>
=====
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Dari Elise Sylvester
Doctoral Candidate
Department of Political Science, Stony Brook University
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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