Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

st: Poisson model: how to impose restrictions on coefficients


From   Sailangita@aol.com
To   statalist@hsphsun2.harvard.edu
Subject   st: Poisson model: how to impose restrictions on coefficients
Date   Sat, 8 Jun 2002 09:15:42 EDT

Dear All:

I need help on how to impose restrictions on coefficients.
I am running a poisson model like this:

Y =  a1 X1  +  a2 X2   + a3  X3  +  a4 X4   +  error term

I want to impose   a2 +  a3  = 1


Thanks in advance.


Diafuka
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index