--- Jian Zhang <[email protected]> wrote:
> I am maximizing a log likelihood function using stata ml commands.
> But it doesn't converge. I just wonder if you have met this
> unconvergence problem before. What are the reasons for this
> problem?
Jian:
Yes I came across that problem many times, and most times it meant that
I made a mistake in the likelihood function. So if you also give us the
likelihood function (and tell us the model you think it maximizes) we
can see if that's correct.
HTH,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
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