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Message-ID: <BANLkTi=V=x7815P4ut3bCo0Br-fJmna8BA@mail.gmail.com> Date: 2011-04-07T02:38:31Z From: Dennis Murphy Subject: Quiz: Who finds the nicest form of X_1^\prime? In-Reply-To: <4D9CEDE5.5060903@ucalgary.ca> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20110406/b88df78e/attachment.pl>