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Message-ID: <644e1f320612100652l1f6f0535mfe612fe9ad4a53fb@mail.gmail.com> Date: 2006-12-10T14:52:21Z From: jim holtman Subject: question about data manipulation In-Reply-To: <20061210135822.40474.qmail@web28009.mail.ukl.yahoo.com> An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20061210/ad192bac/attachment-0005.pl