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st: Could not find feasible values in espoisson


From   ordinary least squares <regression_ols@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Could not find feasible values in espoisson
Date   Wed, 27 Oct 2004 07:10:15 -0700 (PDT)

Dear all,
I use Stata7-SE.
I downloaded a program 'espoisson' to conduct
switching regression where an independent variable of
the main regime was count data.
However, I obtained a message shown below.

. espoisson y2 age emp qse ,ed(z2) s(age emp)
Getting Initial Values:
could not find feasible values
r(491);

Does anybody know how to fix it?
Thank you in advance.


		
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