[R] shade between two curves

Sarah Goslee sarah.goslee at gmail.com
Fri Feb 4 14:10:07 CET 2011


polygon() will do it. That's a frequently-discussed topic on this list,
so there are plenty of examples in the archives, and also some on
the R Graph Gallery.

Sarah

On Fri, Feb 4, 2011 at 8:03 AM, David Bickel
<davidbickel.com+rhelp at gmail.com> wrote:
> Is there a function that can shade the region between two arbitrary
> curves? For example, how can I fill in the area between these two
> plotted lines?
>
>> x <- 1:10
>> y <- x + rnorm(10)
>> z <- x + 10 + rnorm(10)
>> plot(x, y, type = "l", ylim = c(0,20))
>> lines(x, z)
>
> I would appreciate any help.
>
> David
>
> _____________


-- 
Sarah Goslee
http://www.functionaldiversity.org



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