If I understand correctly, you can try something about like this:

x <- c(1, 4, 5, 10)
bp <- barplot(x, ylim = c(0, max(x) + 2))
text(bp, x,
     labels = symnum(x, cutpoints = c(1, 5, 10),
     symbols = c("*", "**")), pos = 3)



On Thu, Jun 18, 2009 at 12:40 PM, Gilad <giladzil@post.tau.ac.il> wrote:

> Hi all,
>
> How do I add an asterisk representing a significant difference to a
> barplot?
>
> Cheers,
> Gil
>
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>
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> 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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