Hi, May be try this :
data[which(is.na(data[,2])),] 2011/1/25 typhoong <graham...@eurus-energy.com> > > hi i have the following dataframe > > x y > 1 345 > 6 NA > 8 123 > 32 123 > 12 NA > 6 124 > 7 NA > > and i want to extract the data rows which contains "NA" data, I tried > > subset(dataframe,y=="NA") > > but fail. if you know the answers, please let me know thanks. > > typhoong > > > > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Extract-NA-data-rows-tp3235568p3235568.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- Kamel Gaanoun (+33) (0)6.76.04.65.77 [[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.
