[R] how to add frequencies to barplot

[Juliet Hannah]

Also check out the following post:

http://permalink.gmane.org/gmane.comp.lang.r.general/210897

On Sat, Nov 20, 2010 at 4:32 PM, casperyc <casperyc at hotmail.co.uk> wrote:
>
> Hi,
>
> I have count data
>
> x2=rep(c(0:3),c(13,80,60,27))
>
> x2
>  0  1  2  3
> 13 80 60 27
>
> I want to graph to be ploted as
>
> barplot(table(x2),density=4)
>
> how do I add relative frequency to it, like in
>
> hist(x2,labels=T)
>
> above the 'bar's
>
> Thanks.
>
> casper
>
>
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