[Limdep Nlogit List] BoxCox

Mikołaj Czajkowski miq at wne.uw.edu.pl
Tue Oct 28 10:10:41 EST 2008


Ana I Sanjuan wrote:
> Dear LIMDEP users,
> 
> I´m trying to run a Box-Cox regression with possible different 
> transformations on the dependent and one independent variable, using the 
> MLE option  (I tried also with grid search) and Model = 4. I initialize 
> Lambda and Theta, either at 0 or 1, but I get the following error:
> 
> Error   395: BOXCOX:;LAMBDA=value not found or MODEL=3 & no THETA found.
> 
> What am I doing wrong?
> 
> Thank you for any help

Dear Ana,

There used to be a bug in the Box-Cox model in the old version on 
NLogit, which was later fixed by prof. Greene. If you sent the code of 
the command that generates the error message I could make sure that this 
is it.

Best regards,

-- 
     Mikołaj Czajkowski

     Warsaw Ecological Economics Center
     Warsaw University
     http://www.woee.pl/



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