[R] filling the area between two curves in a plot

Liaw, Andy andy_liaw at merck.com
Thu Feb 19 17:46:25 CET 2004

Assuming the coordinates for the two curves are x1, y1, x2 and y2, and that
the pairs are sorted by x1 and x2, respectively.  Then just do something

polygon(c(x1, rev(x2)), c(y1, rev(y2), ...)


> From: Rajarshi Guha
> Hi,
>   does anybody know how I can color the area enclosed between 
> two curves
> on a plot?
> Thanks,
> -------------------------------------------------------------------
> Rajarshi Guha <rxg218 at psu.edu> <http://jijo.cjb.net>
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