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st: RE: MLE estimation of nonlinear function


From   "Vimalanand S. Prabhu" <prabhu@unc.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: MLE estimation of nonlinear function
Date   Thu, 17 Apr 2003 11:18:14 -0400

Dear Boryana,

How many observations are you considering? When we estimate MLE in fortran,
we need about 5000 obvs.

cheers,

Prabhu

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Boryana
Dimitrova
Sent: Thursday, April 17, 2003 11:06 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: MLE estimation of nonlinear function


Hi,

I am trying to estimate a non-linear function with the
ml lf option in stata and I have problems with that.
I am pretesting the likelihood function by generating
data, but I cannot get back the parameter values I had
initially put in. I am estimating an hours equation
with tobit and a simple version of what I have to
estimate is: H=(aX+c)/(bY+d), where a,b, c, and d are
parameters to be estimated.


I would appreciate tremendously any suggestions and
help.

Boryana


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