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st: RE: Unknown function () error.


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Unknown function () error.
Date   Wed, 30 Aug 2006 15:44:05 +0100

I see # characters in the code. I may be missing
something but I believe that they are both meaningless
and illegal in this context. 

You presumably want some other operator. 

Nick 
n.j.cox@durham.ac.uk 

Vimalanand S. Prabhu
> 
> I am new to ml command. I am getting an error: Unknown	
> function (), when 
> I run the following code for negative binomial count model. 
> Is there any 
> obvious error in the code which I seem to miss out.
> 
> The L function is -exp(lambda.ui).(lambda.ui)^yi/(yi)!
> 
> program define nbreg2
> args lnf theta uu
> quietly replace `lnf' = -exp(`theta')#`uu' + 
> $ML_y1#(`theta'+ln(`uu')) - 
> lnfact($ML_y1)
> end
> ml model lf nbreg2 (jdemh=price eff) ()
> ml check
> ml maximize
> 

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