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Message-ID: <49EC1FA3.6000307@life.ku.dk> Date: 2009-04-20T07:09:23Z From: Christian Ritz Subject: to extract data In-Reply-To: <617814.36133.qm@web58704.mail.re1.yahoo.com> Hi, maybe the following line works for you: beechworth.dt.2 <- beechworth.dt[as.numeric(beechworth.dt$Year) %in% 1927:2007, ] (using as.numeric() to make sure that "Year" is numeric, maybe not needed?). Christian