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Message-ID: <CAC4E5Y_Yzg1usdx_tw2CvwGyrbat7za+JAFsFLMvjPTjrEkoEQ@mail.gmail.com> Date: 2012-10-16T12:41:56Z From: Balqis Subject: how to extract from list In-Reply-To: <CAAGpJTnR2ccaS+ZCMDbr5LbRw2dEmG-DSTNM7qDT5fr3ojyC2A@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20121016/f6fed803/attachment.pl>