Let me try this again. Here are the links I forgot. My apologies. http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example and http://adv-r.had.co.nz/Reproducibility.html
John Kane Kingston ON Canada > -----Original Message----- > From: jrkrid...@inbox.com > Sent: Mon, 1 Jun 2015 06:29:41 -0800 > To: wht_...@yahoo.com, r-help@r-project.org > Subject: RE: [R] merge function > > As Burt says it is not exactly clear what you want but is something like > this what you are looking for? > > dat1 <- data.frame(aa = c("a", "b", "c"), bb = 1:3) > dat2 <- data.frame(xx = c("b", "c", "d"), yy = 3:1) > merge(dat1, dat2, by.x = "aa", by.y = "xx") > > For further reference here are some suggestions about asking questions on > the R-help list. In particular it is very helpful if data is supplied in > dput() form (See ?dput for details) > > John Kane > Kingston ON Canada > > >> -----Original Message----- >> From: r-help@r-project.org >> Sent: Mon, 1 Jun 2015 13:46:15 +0000 (UTC) >> To: r-help@r-project.org >> Subject: [R] merge function >> >> Hi,By default the merge function should take the intersection of column >> names (if this is understood from by = intersect(names(x), names(y)), >> but >> it takes all columns. How to specify the intersection of column names? >> Thanks >> Carol >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > > ____________________________________________________________ > Can't remember your password? Do you need a strong and secure password? > Use Password manager! It stores your passwords & protects your account. > Check it out at http://mysecurelogon.com/manager ____________________________________________________________ FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.