[R] "plinear"

even been writtten to be applied with constraints in R, anywhere and by anyone? I believe it is possible to do so. Thank you Liam Brown [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listi

[R] Nonlinear Regression

I'm wondering what packages exist to implement nonlinear least squares regression in R other than 'nls'. Are there packages which implement methods to estimate the optimum values of the parameters which do not use the Gauss-Newton algorithm e.g. use Nelder Mead. In particular, I'd be interested whe