[R] How to shade vertical bands in a graph?
jrkrideau at yahoo.ca
Fri Aug 24 13:47:52 CEST 2007
Something like this should work but I did not take the
time to get the rectangles to fit properly.
aa <- rnorm(25)
yl <- -1.5
yh <- 2.2
xleft <- c(4, 9, 15 ,20)
xright <- xleft + 3
plot(aa, ylim= c(yl,yh), type="n")
rect(xleft, yl, xright,yh, col="yellow")
--- del pes <cgdelnet at hotmail.com> wrote:
> I would like to draw vertical yellow bands in my
> graph, but could not find how to do that in the
> 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
> Any help would be welcome...
> All the best,
> [[replacing trailing spam]]
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained,
> reproducible code.
More information about the R-help