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Message-ID: <CAE2rZEm+1ZehoFrCSvwWCiiO0Qhy3WTegJn2gkkN+2OgEr-YXw@mail.gmail.com> Date: 2011-08-18T16:07:51Z From: Łukasz Ręcławowicz Subject: Use logical expresion on ff object In-Reply-To: <CAE2rZEnmDH=V_SjkyUSmgr_3bANSx=UFTUDaQtqpJyCBEELo7w@mail.gmail.com> An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-devel/attachments/20110818/a8d3ca50/attachment.pl>