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Message-ID: <CAK70=f4beYTES7je34AsT-F4hZDN7bHqdHFdVDqrUnPA4AKRtw@mail.gmail.com> Date: 2013-11-23T15:04:51Z From: maggy yan Subject: how to melt variable to one variable An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20131123/f4dacf61/attachment.pl>