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Message-ID: <419EED2318C2164DB95FBB20AA8810D802DEA2@smtp_mail.bankofamerica.com> Date: 2013-01-22T15:02:33Z From: Yuan, Rebecca Subject: A smart way to use "$" in data frame In-Reply-To: <CAFEqCdz=hw7ZftH24XZrkEFRRXQUQ14ML51+xbLmpme-G+zj1A@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20130122/9b4328db/attachment.pl>