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There is no rule governing the # of vars in the -het()- option. These
variables serve to model the variance of the normal CDF at the heart of the
-probit- model. The example in the help file uses only one variable for this
purpose, but this fact need not mean much for your modelling efforts...
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von 21443017
Gesendet: Montag, 6. Juli 2009 11:24
An: statalist@hsphsun2.harvard.edu
Betreff: st: Hetprob
Dear All,
I am trying to run a hetprob model. However, I was just wondering what
variable I should put in het( ). Why sometimes only one variable is put in
het(),and sometimes a list of variables are put in het().
Thanks
Best
Wen
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