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Message-ID: <CAHmzXO464Ei6T4EVMG3SS4WxP24j3YhTQX3AqaUPE6Q1r0zVnw@mail.gmail.com> Date: 2013-12-14T21:05:14Z From: Gang Chen Subject: Change factor levels In-Reply-To: <33D76D77E9AC4B438DA38B348ED6890D0B90CA5C@EMAIL.ktkdom.pte.hu> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20131214/d30764b9/attachment.pl>