[R] R formula language---a min and max function?

David Winsemius dwinsemius at comcast.net
Tue May 4 21:40:46 CEST 2010

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.


> sincerely,
> /iaw
> ______________________________________________
> R-help at 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

More information about the R-help mailing list