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Message-ID: <CACqc4iQQ4jt3S+jbgCC6nUjcMjGn_cYGnRTbtEgJLzGAndekXw@mail.gmail.com> Date: 2012-10-04T10:18:17Z From: Marianna Chimienti Subject: random sampling inside a dataset In-Reply-To: <CAPxEaETQqwf3C3y=W7N7WsDLhnJFd8Z1CgAwYkEXUc=OTi2=xw@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20121004/99acadb8/attachment.pl>