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Message-ID: <CANDXbiqdq2XVaxeKxsO==p_L5Vegv+Xfc2HHV_Gni-Qo9BdeEA@mail.gmail.com> Date: 2011-11-11T02:39:18Z From: Lao Meng Subject: How to compute time interval? In-Reply-To: <CANDXbiouztkUnE9EQ_bsFqgjQ-YbBfCsNNyQs0PTMrT+24S0gQ@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20111111/d95886bd/attachment.pl>