R-beta: non-linear optimization in R

[Matthew Kramer]

We were interested in doing non-linear optimization in R and have tried
the function nlm.  The manual says that this function uses a Newton type
algorithm.  We are interested in more information about this specific
algorithm and if alternatives (e.g., quasi-Newton) exist in R?  Thanks
in advance.

-Matt Kramer       mkramer at census.gov
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