In your call to polygon(), include lty="dashed" or "dotted" or whatever you
want your line type to look like.

take a good look at all the options in

?par

For everything you can customize in plots. Alternatively, Paul Murrel's R
Graphics book is the best reference I know for this sort of stuff.

Mike

On Thu, Sep 23, 2010 at 8:10 AM, Ralf B <ralf.bierig@gmail.com> wrote:

> Hi group,
>
> I am currently plotting two densities using the following code:
>
> x1 <- c(1,2,1,3,5,6,6,7,7,8)
> x2 <- c(1,2,1,3,5,6,5,7)
> plot(density(x1, na.rm = TRUE))
> polygon(density(x2, na.rm = TRUE), border="blue")
>
> However, I would like to avoid bordering the second density as it adds
> a nasty bottom line which I would like to avoid.
> I would also rather have a dashed or dotted line for the second
> (currently blue) density but without the bottom part.
> Any idea how to do that?
>
> Best,
> Ralf
>
> ______________________________________________
> 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]]

