On May 4, 2010, at 3:33 PM, ivo welch wrote:
Dear R experts---I would like to estimate a non-linear least squares expression that looks something like y ~ a+b*min(c,x) where a, b, and c are the three parameters. how do I define a min function in the formula language of R? advice appreciated.
?pmin
sincerely, /iaw ______________________________________________ R-help@r-project.org mailing list 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.
David Winsemius, MD West Hartford, CT ______________________________________________ R-help@r-project.org mailing list 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.