[R-sig-Geo] Delete levels fo a factor

Mary Rise risemary48 at yahoo.com
Fri Apr 22 15:37:22 CEST 2011


An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-sig-geo/attachments/20110422/496b03f5/attachment.pl>


More information about the R-sig-Geo mailing list