help to select part of a data.frame column

Fri, Dec 17, 2010 5:57 AM

An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-sig-geo/attachments/20101217/03720201/attachment.pl>

Thread (2 messages)

gianni lavaredo help to select part of a data.frame column Dec 17 Roman Luštrik help to select part of a data.frame column Dec 17