--- Johanna LEPEULE wrote:
>I use zero-inflated (Poisson and negative-binomial) models.
>Y=nbaoaj, is a number of lesions.
>X=mother_age, is a qualitative variable with 3 classes
>Can I use xi: testparm i.mother_age, equation(nbaoaj) to test the global
>effect of the variable mother_age ?
>Or must I use the Loglikelihood ratio test ?
Why do you doubt that you can use -testparm-?
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
*
* 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/
