You may also want to use tools that are more robust. Package nlmrt uses analytic Jacobian where possible and a Marquardt solver.
Package minpack.lm uses a Marquardt solver, but the forward difference derivatives of nls() for its Jacobian. alpha level work in https://r-forge.r-project.org/R/?group_id=395 package nlsr is aimed at cleaning up some of the work in nlmrt and extending its capabilities. JN On 16-11-29 03:30 AM, Troels Ring wrote: > Dear friends - updated to R 3.3.2 - tried to install nls - got this sad > response > > package ‘nls’ is not available (as a binary package for R version 3.3.2) > > I'm on windows 7 > > Did I do something wrong? Will a binary appear eventually? Would I have to > make it myself? > > Best wishes > > Troels Ring > > Aalborg, Denmark > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
