Try this, library(lattice) data(barley) names(barley)
# Removing first column barley <- barley[,c(-1)] names(barley) # Keeping 1st and 3rd column barley <- barley[,c(1,3)] names(barley) HTH, Gary On Sat, Dec 19, 2009 at 3:21 PM, <sarjin...@yahoo.com> wrote: > What is equivalent to DROP or KEEP statements of SAS in R? > > -- > This message was sent on behalf of sarjin...@yahoo.com at > openSubscriber.com > http://www.opensubscriber.com/messages/r-help@r-project.org/topic.html > > ______________________________________________ > 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<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.