Raw Message

Message-ID: <677ee07e0905220936m2f0dbb58je58f76f56f5c0d50@mail.gmail.com>
Date: 2009-05-22T16:36:06Z
From: Thomas Levine
Subject: Error in FUN with tapply and by

An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20090522/5b1d32be/attachment-0001.pl>