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st: clad error: sample size smaller than number of degrees of freedom


From   "Vivian Hoffmann" <veh4@cornell.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: clad error: sample size smaller than number of degrees of freedom
Date   Wed, 29 Aug 2007 09:17:29 -0400 (EDT)

Dear Statalisters -

I'm trying to estimate a model using the <clad> command, but I get the
following error:

Program did not converge,
trimmed sample size is smaller than number of degrees of freedom.

even though I have 188 observations (98 non-censored) and only one
independent variable...

Any ideas on why this might be happening or how to solve it?

Thanks very much!

Vivian Hoffmann
Applied Economics and Management
Cornell University
1.607.316.7291
http://www.people.cornell.edu/pages/veh4/



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