Other option without rect is:

h <- hist(x, plot = FALSE)
bin <- as.numeric(cut(latest.ob, h$breaks))
plot(h, col = replace(rep("white", length(h$breaks) - 1), bin, "red"))

On Tue, Oct 28, 2008 at 4:48 PM, Whit Armstrong <armstrong.whit@gmail.com>wrote:

> Anyone know a quick way to color one bar of a histogram?
>
> I want to mark the bar in which the most recent observation falls.
>
> So, for instance:
>
> x <- rnorm(100)
> latest.ob <- x[100]
> hist(x)
> ## how do I mark the bucket that latest.ob falls into?
>
>
> Thanks,
> Whit
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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