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Message-ID: <CAEYvig+8VHvXxT+V_56VYRqmExQ3hnWZa+n0-OrYsfshX1GCDw@mail.gmail.com> Date: 2012-11-22T15:56:32Z From: Matthieu Stigler Subject: question on package plm In-Reply-To: <1353498695.20006.YahooMailNeo@web163804.mail.gq1.yahoo.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-sig-finance/attachments/20121122/0f443cf5/attachment.pl>