probably you are looking for something like the following: dat <- data.frame(chr = letters[1:20], x = rnorm(20), y = rnorm(20)) chr.vec <- sample(letters[1:20]) ####################3 dat[match(chr.vec, dat$chr), ]
I hope it helps. Best, Dimitris ---- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16/336899 Fax: +32/(0)16/337015 Web: http://www.med.kuleuven.be/biostat/ http://www.student.kuleuven.be/~m0390867/dimitris.htm ----- Original Message ----- From: "Ken Termiso" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, January 23, 2006 4:55 PM Subject: [R] ordering a data frame to same order as a chr vector > Hi all, > > I've got a data frame that has an identical column to a chr vector. > I would > like to use the chr vector to order the rows of the data frame to be > identical to the order in the chr vector (the contents of the chr > vector are > completely identical to one col of the data frame), but this is > proving > trickier than it sounds.. > > Any help would be much obliged, > -Ken > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
