[R] 3D perspective of a contingency table

[Charles RAUX]

How can I draw a 3D perspective of a contingency table, that is 
showing 3D bars whose height is in proportion of the table cells?
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Charles RAUX,
Laboratoire d'Economie des Transports
CNRS-Université Lumière Lyon 2-ENTPE
email : charles.raux at let.ish-lyon.cnrs.fr
http://www.ish-lyon.cnrs.fr/let
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