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| From | Maarten Buis <maartenlbuis@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: gllamm or xtmixed models? |
| Date | Tue, 4 Feb 2014 15:26:05 +0100 |
On Tue, Feb 4, 2014 at 3:11 PM, Antonio Rodriguez Andres wrote: > But I am not sure which specification should be use. Could you please help me with that? > > xtmixed depression gender age || country: > xtmixed depression gender age || country: gender > xtmixed depression age || country: gender The first two seem legitimate models, the last one seems problematic to me as it allows the effect of gender to differ from country to country, but constrains the average effect of gender to be 0. -- Maarten --------------------------------- Maarten L. Buis WZB Reichpietschufer 50 10785 Berlin Germany http://www.maartenbuis.nl --------------------------------- * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/