[R] Add a rectangle behind a plot

Gabor Grothendieck ggrothendieck at gmail.com
Wed Feb 27 02:27:55 CET 2008


Just replot the points over it again:

points(x, y)

Also there is an example using lattice graphics in the Example
section of:

library(zoo)
?xyplot.zoo

On Tue, Feb 26, 2008 at 7:16 PM, Judith Flores <juryef at yahoo.com> wrote:
> Hi there,
>
>   I found one reference to add a reactangle behind a
> plot using plot(...,add=T), I tried this but didn't
> obtain the desired result.
>
> If a I have the following code:
>
> plot(x,y)
> rect(xleft, ybottom, xright,ytop,col='green)
>
>   The rectangle appear on top of the plot.
>
> Any help will be greatly appreciated,
>
> Judith
>
>
>
>
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