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1273419
2007 Sep 16
1
Problem with nlm() function.
In the course of revising a paper I have had occasion to attempt to
maximize a rather
complicated log likelihood using the function nlm(). This is at the
demand of a referee
who claims that this will work better than my proposed use of a home-
grown implementation
of the Levenberg-Marquardt algorithm.
I have run into serious hiccups in attempting to apply nlm().
If I provide gradient and