?mtext, also ?barplot since barplot returns midpoints of the bars.
also ?rep for setting up a vector of repeating values.
something like this:
xLabels<-c(rep("2003",4),rep("2005",11),rep("2006",5))
midPoints<-barplot(<your original statements here>)
mtext(xLabels,side=1,at=apply(midPoints,2,mean))
On 9/11/06, Christian Oswald <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I have made a barplot with some data and need a description below the
> x-axis. For example there are 20 values and I need a description "2003"
> for the first four values, then "2005" for the next eleven and "2006"
> for the last five values.
>
> I want the description below the x-axis-labels and above the x-axis title.
>
> Thanks,
>
> Christian
>
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>
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