Here is one approach:
> library(TeachingDemos)
>
> x <- rnorm(1000)
>
> hist(x)
> clipplot( hist(x, col='blue', add=TRUE), xlim=c(0.2,par('usr')[2] ) )
> clipplot( hist(x, col='red', add=TRUE), xlim=c( par('usr')[1], 0.2 ) )
> abline(v=0.2, col='green', lwd=5)
>
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
[EMAIL PROTECTED]
(801) 408-8111
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Georg Ehret
> Sent: Thursday, February 21, 2008 12:49 PM
> To: r-help
> Subject: [R] coloring a graph left or right of an abline
>
> Dear R community,
> I would wish to color the background of my histogram
> differently to the left and right of an abline... Can you please help?
>
> Thankin you,
> Georg.
>
> ****************************
> Georg Ehret
> JHU
> Baltimore - USA
>
> [[alternative HTML version deleted]]
>
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> and provide commented, minimal, self-contained, reproducible code.
>
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
