Sarah, Doing:
> RSiteSearch('gompertz', restrict='functions') At the command prompt gives several promising results. Hope this helps, -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare [EMAIL PROTECTED] 801.408.8111 > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > project.org] On Behalf Of sarahkm > Sent: Wednesday, November 12, 2008 11:50 AM > To: r-help@r-project.org > Subject: [R] Fitting data to a sigmoidal curve > > > Hi- > I'm a biologist trying to figure out the growth rate of salamanders in > different ponds. I collected individuals from various populations at > different dates, and using the size and date collected, I want to > figure out > the growth curve of each population. My question is: How do I fit my > data to > a Gompertz function in R? > Thank you so much! > Sarah > -- > View this message in context: http://www.nabble.com/Fitting-data-to-a- > sigmoidal-curve-tp20466784p20466784.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.