Raw Message

Message-ID: <CA+crPh1itq2qJN=uA6uxGubGS0Z3bcxxJ7ZUp93xDN1SxGG4Ow@mail.gmail.com>
Date: 2013-03-13T19:05:28Z
From: Lilia Dmitrieva
Subject: Assign the number to each group of multiple rows

An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130313/41297a4f/attachment.pl>