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Message-ID: <CAKL8G3EHnuC+iFm1KXq=Y33bqJmC6WNr-Rfrqv5+GgPjEyH6yA@mail.gmail.com> Date: 2011-12-27T02:32:11Z From: Jorge I Velez Subject: comparing fields within a record In-Reply-To: <CAGoKJb=n=-eo1fLu87pLLcpv5Ugq3N+Pj93ShW-RSnU_cyqWow@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20111226/5f601442/attachment.pl>