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

On Wed, Sep 9, 2009 at 2:27 PM, Bill Hyman <billhyman1@yahoo.com> wrote:

> My data look like:
>
> Np year
> 96    2
> 91    5
> 89    7
> 85   10
>
>
>
> ----- Original Message ----
> From: Bill Hyman <billhyman1@yahoo.com>
> To: r-help@r-project.org
> Sent: Wednesday, September 9, 2009 11:23:26 AM
> Subject: [R] fitting nonlinear model
>
> I only have 4 data points and want to fit a curve. It does not work in
> "modreg" due to too few data. Do you have any idea? Many thanks!
>
> ______________________________________________
> 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<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<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>

	[[alternative HTML version deleted]]


