On 3/20/07, Nguyen Dinh Nguyen <[EMAIL PROTECTED]> wrote:
> Dear R helpers,
>
> I would like to have abline, for a lm model for
> example, lying within data range. Do you know how to
> get it?
>
> Thank in advance
>
> Nguyen D Nguyen
>
> #CODE
> x<- rnorm(200, 35,5)
> y<- rnorm(200, 0.87,0.12)
> plot(y~x, xlim=c(0,50), pch=17, bty="l")
> abline(lm(y~x))
This is really easy with ggplot:
install.packages("ggplot")
library(ggplot)
qplot(x,y, type=c("point","smooth"), method=lm)
or, if you don't want the standard errors
qplot(x,y, type=c("point","smooth"), method=lm, se=F)
Hadley
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