maptree package
An embedded and charset-unspecified text was scrubbed... Name: no disponible URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20121107/d975cd00/attachment.pl>
An embedded and charset-unspecified text was scrubbed... Name: no disponible URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20121107/d975cd00/attachment.pl>