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Message-ID: <CAKL8G3HATW81aAhBrAXm0SYuuHkzF7HdfTsX-TKRtmmKUj03+A@mail.gmail.com> Date: 2011-12-27T14:54:00Z From: Jorge I Velez Subject: comparing fields within a record In-Reply-To: <CAKL8G3EHnuC+iFm1KXq=Y33bqJmC6WNr-Rfrqv5+GgPjEyH6yA@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20111227/ddbb3952/attachment.pl>