Arranging Plots

Dear all,

thank you very much for your help. 
I would like to thank Sean Davis, Barry Rowlingson, and Pierre Lapointe
for their fast help.
I actually use now the approach suggested by Barry Rowlingson via the
split.screen() function.

Thanks,
Roland

P.S. Three solutions in 30 minutes...and the one which was most
convenient for me after 7 minutes. Hard to beat by any other software.
:-)


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