[R] Fitting data to a sigmoidal curve

Greg Snow Greg.Snow at imail.org
Wed Nov 12 20:54:44 CET 2008



> 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
greg.snow at imail.org

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of sarahkm
> Sent: Wednesday, November 12, 2008 11:50 AM
> To: r-help at 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.
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