[R] How to shade vertical bands in a graph?

[Gabor Grothendieck]

There is an example using classic graphics here:

   http://www.mayin.org/ajayshah/KB/R/html/g5.html

and one using lattice graphics here:

   library(zoo)
   ?xyplot.zoo


On 8/23/07, del pes <cgdelnet at hotmail.com> wrote:
>
> Hello,
>
> I would like to draw vertical yellow bands in my graph, but could not find how to do that in the documentation.
>
> I set up a page to show what I would like to achieve: http://rstudent.blogg.de/eintrag.php?id=1 (the first picture was manually colored with the Gimp).
>
> Any help would be welcome...
>
> All the best,
>
> Delfina
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