?abline

On Thu, Jan 13, 2011 at 12:29 AM, wo <bellewong@163.com> wrote:

> Dear R users,
>   I am a new R user. My problem is very simple: I want to add a linear
> regression line to the plot(type="p"), codes are as below:
>
> x<-c(10,20,40,80)
> y<-c(30,40,100,200)
>
> plot(x,y,type="p")
> lines(lm(x~y),col="red",lwd=1.5)
>
> I got only plot without linear line.
> Many thanks ahead for your advice!
>
> Xipei Wang
>        [[alternative HTML version deleted]]
>
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> and provide commented, minimal, self-contained, reproducible code.
>

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