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Message-ID: <edc929b40612231708k37bcf4c6x8dfa0160df64bfa@mail.gmail.com> Date: 2006-12-24T01:08:02Z From: jingjiang yan Subject: how to do the "double substitute" in a loop? An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20061224/b312efd7/attachment.pl