Tuesday, March 07, 2006

Re: st: error message in mixed models stata 9

Herman van de Werfhorst <H.G.vandeWerfhorst@uva.nl> asks:

> if I want to run a random intercept mixed model (multilevel model) with the > following form, I get an error message which I don't understand:

> > . xtmixed y i1 i2 g3 g4 || groupvar: > <istmt>: 3499 _xtm_setup() not found

> where i1 and i2 are individual level variables, and g3 and g4 variables > measured at the higher level in which individuals are nested (at the level > of the variable groupvar).

> Does anyone know what "<istmt>: 3499 _xtm_setup() not found" means? I have > updated my stata 9 very recently.

Such errors are almost uniformly caused by one's ado files not being in sync with one's executable. In any case, if Herman wishes to email me privately with some more information (such as the about of -update query-) then I'd be glad to look further into it.

--Bobby rgutierrez@stata.com * * 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/


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