On Nov 30, 2012, at 9:27 AM, ramoss <ramine.mossad...@finra.org> wrote:
> Hello, > > I have a variable in a data frame that contains NA values. I just want to > subset so that I get the obs where that variable is missing. > In SAS I would do: > > data missing; > set test; > if myvalue=' '; > run; > > How can I perform this simple task in R? > > Thanks in advance for your help. The easiest is probably: NewDF <- subset(DF, is.na(myvalue)) See ?is.na Regards, Marc Schwartz ______________________________________________ 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.
