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st: RE: Heckman two-step estimator

From   Siri <>
Subject   st: RE: Heckman two-step estimator
Date   Thu, 2 Sep 2010 07:03:49 -0700 (PDT)

Thank you Maarten.


For some reason I actually had to reinstall Stata, but now it works perfectly



Date: Thu, 2 Sep 2010 03:05:45 -0700
Subject: RE: Heckman two-step estimator

--- On Wed, 1/9/10, Siri wrote: 
> I am also having problems with cmp. The message I receive 
> when it is suppose to fit the full model is: 
>  <istmt>:  3499  cmp_lnL() not found 

-cmp- uses Mata functions, and the error you got means that 
Stata could not find that particular Mata function. Stata does 
not automatically find new Mata functions when you just 
installed an new package. The easiest solution is to close down 
Stata, start it again, and try to use -cmp- again. 

Hope this helps, 

Maarten L. Buis 
Institut fuer Soziologie 
Universitaet Tuebingen 
Wilhelmstrasse 36 
72074 Tuebingen 


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