> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of michael
> Sent: Wednesday, August 10, 2011 4:37 PM
> To: r-help@r-project.org
> Subject: [R] Need help on Newton-Raphson optimization
>
> Hi,
>
> Is there available package on the optimization function using
> Newton-Raphson method (iterative quadratic approximation)? I have been
> using
> the 'optim' function in R and found it really unstable (it depends heavily
> on the initial values and functional forms). If I have to code it by
> myself,
> can I get some advice on how to start (any good reference or sample code)?
> I
> really appreciate any help.
>
> thanks,
>
> Michael
>
If you do a Google search using
'R optimization newton raphson'
you will find lots of relevant hits.
Hope this is helpful,
Dan
Daniel Nordlund
Bothell, WA USA
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