Hi MP, Try
subset(dat, ! dat$ID %in% someID) # ! symbol HTH, Jorge On Fri, Nov 5, 2010 at 10:13 AM, <> wrote: > Hi, > > I have a question about %in% and subsettin data frames. > > Say I need to keep ID 1,2,4,5, 10 from the data frame dat. I can do: > > dat <- data.frame(ID = 1:10, var = 1:10) > someID <- c(1,2,4,5,10) > subset(dat, dat$ID %in% someID) > > Is there a quick way to do the opposite, ie to do a subset that contains > all ID but someID? Something like %not in%, which would *remove* lines with > ID in someID? > > I am asking because I need this in a more complex example where there are > multiple lines with the same ID (data in long format) and I need to remove > selected ID. > > thanks, > > MP > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list 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.
