[R] Axis-question

[Antje]

solved by grouping... (see my next mail)

Antje schrieb:
> Hi there,
> 
> I was wondering wether it's possible to generate an axis with groups 
> (like in Excel).
> 
> So that you can have something like this as x-axis (for example for the 
> levelplot-method of the lattice package):
> 
> ---------------------------------------------------
> | X1 | X2 | X3 | X1 | X2 | X3 | X1 | ...
> | group1       | group2       | group3  ...
> ..
> ..
> ..
> 
> I hope you understand what I'm looking for?
> 
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