[R] Group several variables and apply a function to the group

Aurélien PHILIPPOT aurelien.philippot at gmail.com
Sun Dec 4 21:55:41 CET 2011


An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20111204/862f28d1/attachment.pl>


More information about the R-help mailing list