--- Xiaoheng Zhang wrote:
> But seems I can not use constraints() after
> xtprobit in Stata 8.2,right?We do not have Stata 9.
That seems to be true. One solution (apart from
ordering Stata 10) would be to estimate the model
with -gllamm-, which does allow constraints.
Hope this helps,
Maarten
-----------------------------------------
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/
-----------------------------------------
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