It is alive.
I do know of a book that talks about nonlinear minimization in R:
https://ms.mcmaster.ca/~bolker/emdbook/book.pdf (chapter 7).
If you want to do nonlinear *least-squares* optimization of some curve
to data, you can just use nls() (but be aware that you have to have
reasonable initial guesses at the parameter values).
On 16-11-18 03:12 PM, Bruna, Emilio M. wrote:
> Hi all, I was tasked with testing if this list was still alive, and
> thought I could do so by asking a question on behalf of a friend (no
> really, it’s for a postdoc who’s not on the list yet)
> Here is his question: "I have to minimize a non linear function, but
> I have never used optimization functions in R. I am looking for
> someone that can point me to a document or a tutorial that can
> introduce me to this technique.”
> Any suggestions for Valerio?
> Emilio M. Bruna | University of Florida Distinguished Teaching
> Scholar | Professor of Tropical Ecology & Latin American Studies
> Director, http://www.floridabrazil.org/ | Editor-in-Chief,
> Biotropica<http://www.biotropica.org/> | Email:
> [log in to unmask]<mailto:[log in to unmask]> Phone: (352) 846-0634 Web:
> www.BrunaLab.org<http://www.brunalab.org/> twitter:
This list strives to be beginner friendly. However, we still ask that you
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.