[R] group data

Ye Lin yelin at lbl.gov
Mon Apr 15 17:50:56 CEST 2013


An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130415/f947db67/attachment.pl>


More information about the R-help mailing list