> On Dec 6, 2017, at 3:15 PM, Ashta <sewa...@gmail.com> wrote: > > Hi all, > In a data set I have group(GR) and two variables x and y. I want to > remove a group that have the same record for the x variable in each > row. > > DM <- read.table( text='GR x y > A 25 125 > A 23 135 > A 14 145 > A 12 230 > B 25 321 > B 25 512 > B 25 123 > B 25 451 > C 11 521 > C 14 235 > C 15 258 > C 10 654',header = TRUE, stringsAsFactors = FALSE) > > In this example the output should contain group A and C as group B > has the same record for the variable x . > > The result will be > A 25 125 > A 23 135 > A 14 145 > A 12 230 > C 11 521 > C 14 235 > C 15 258 > C 10 654
Try: DM[ !duplicated(DM$x) , ] > > How do I do it R? > Thank you. > > ______________________________________________ > 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. David Winsemius Alameda, CA, USA 'Any technology distinguishable from magic is insufficiently advanced.' -Gehm's Corollary to Clarke's Third Law ______________________________________________ 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.
