--- On Thu, 12/3/09, Paula Albuquerque <[email protected]> wrote:
> This time, even the estimation that had found a rho=1 (but had
> produced results) declares that " flat log likelihood
> encountered, cannot find uphill direction". It seems
> there must be something else...
You could try to use the estimates of the unweighted model as
starting values for your weighted model.
-- Maarten
-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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