Raw Message

Message-ID: <COL127-W75704F3045A931410D884B3E00@phx.gbl>
Date: 2013-11-22T16:58:22Z
From: Philippe Massicotte
Subject: data manipulation

An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20131122/6a462815/attachment.pl>