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Message-ID: <CAJT2k__M+Sm4_aCN4OpHw4qKeX9wfX-1Bg+zxNtCrKz3XGyj4Q@mail.gmail.com> Date: 2012-09-12T15:59:58Z From: Stephen Politzer-Ahles Subject: R-help Digest, Vol 115, Issue 12 In-Reply-To: <mailman.29.1347444008.21948.r-help@r-project.org> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20120912/2860e9db/attachment.pl>