[ADMB Users] Random effects failure in the inner optimization
davef at otter-rsch.com
Tue Apr 5 09:35:40 PDT 2011
I've been working with Anders on better recovery when the Hessian
is not positive definite in random effects models. I have attached
with a simple example which fails with the current code and succeeds with
these patched versions. It certainly won't handle all difficult models, but
it is a start in this direction.
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 12084 bytes
Desc: not available
More information about the Users