On Wed, 2009-04-15 at 12:02 -0400, Michael A. Miller wrote: > >>>>> "Manuel" == Manuel Morales <manuel.a.mora...@williams.edu> writes: > > > nls(y ~ a[fac]*x^b, start=list(a=c(1,1), b=0.25)) > > Did you mean a[f]? > > nls(y ~ a[f]*x^b, start=list(a=c(1,1), b=0.25)) > > Mike
Argh!!! -- http://mutualism.williams.edu ______________________________________________ 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.