Hi Milton, Thanks for your help. Actually, I would like to fit a non-linear fashion. For some data like below, 'lm' may not work very well. Do you have idea? Thanks again!
Bill 0 1 2 0.9 5 0.5 7 0.1 10 0.01 ________________________________ From: milton ruser <milton.ru...@gmail.com> Cc: R-help@r-project.org Sent: Wednesday, September 9, 2009 12:01:52 PM Subject: Re: [R] fitting nonlinear model Hi Bill, I am not sure what you want, but... mydf<-read.table(stdin(), head=T, sep=",") Np,year 96,2 91,5 89,7 85,10 plot(Np~year, data=mydf) mymodel<-lm(Np~year, data=mydf) abline(mymodel, col="red") bests milton My data look like: > >Np year >96 2 >91 5 >89 7 >85 10 > > > > >----- Original Message ---- >To: r-help@r-project.org >>Sent: Wednesday, September 9, 2009 11:23:26 AM >Subject: [R] fitting nonlinear model > [[elided Yahoo spam]] > >______________________________________________ >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. > >______________________________________________ >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. > [[alternative HTML version deleted]] ______________________________________________ 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.
