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Message-ID: <CAKL8G3ERVPcuVjtNDVcwgLtDsaqYmm4Ecq20gXzvC4n+cQHPhA@mail.gmail.com> Date: 2013-03-22T11:40:46Z From: Jorge I Velez Subject: trouble with data frame In-Reply-To: <CACvtrYjn-kDvGeTAGtNgEJTaeK0xuEp+VDPTGWWkShSprsOrZw@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130322/4187c7ff/attachment.pl>