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st: AW: Hetprob

From   "Martin Weiss" <>
To   <>
Subject   st: AW: Hetprob
Date   Mon, 6 Jul 2009 11:32:22 +0200


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...


-----Ursprüngliche Nachricht-----
[] Im Auftrag von 21443017
Gesendet: Montag, 6. Juli 2009 11:24
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().




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