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st: Simple ML estimation question

From   Bulent Uyar <>
Subject   st: Simple ML estimation question
Date   Tue, 29 Jul 2008 15:55:31 -0500

Hello everyone,

I am a stata beginner. Therefore, I apologize in advance for this (what must be a very simple) question.

Here is my model:
lny = b1 + b2*lnx1 - ln(15+b3*x2+b4*x5) + e.
e is assumed to be N(0, sigma^2).

I have been trying to code this so I can estimate it using
"ml model lf ...".

How do I code the " - ln(15+b3*x2+b4*x5)" part of the model so I can properly express it in the statement
"... `lnf'=ln(normalden(..." ?

Thank you for your guidance in advance.

Bulent Uyar
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