t.d. kaplan wrote:> hi,
>
> how can i set multiple x-axis labels on a plot? in effect, i want
> to set 2 x-axis labels and values on the tick marks. is it possible
> to have one running on the bottom (as is the default) and another
> running across the top of a plot?
Yes, for plotting axes separately, see ?axis.
For plotting annotation along the margins of the plot, see ?mtext.
Uwe Ligges
> like:
>
> xlab-1
> ---------
> | |
> | |
> ---------
> xlab-0
>
>
> thanks.
>
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