Thanks guys. but I'm a bit confused. the input is the first column (z[,1] and z1[,1]). How is it possible that a subset of a non-NA vector, contains NA?
On Wed, Aug 26, 2020 at 4:58 PM Eric Berger <ericjber...@gmail.com> wrote: > Good point! :-) > > > On Wed, Aug 26, 2020 at 5:55 PM peter dalgaard <pda...@gmail.com> wrote: > >> Offhand, I suspect that the NAs are in the 8th column. >> >> > On 26 Aug 2020, at 10:57 , Elham Daadmehr <e.daadm...@gmail.com> wrote: >> > >> > Hi all, >> > >> > I have a simple problem. I get stuck in using the imported spss data >> (.sav) >> > using "read.spss". >> > I imported data (z) without any problem. After importing, the first >> column >> > doesn't contain any "NA". but when I choose a subset of it (like: >> > z[z[,8]=="11"|z[,8]=="12"|z[,8]=="14",]), lots of NA appears (even in >> the >> > first column). >> > >> > The (.sav) file is the output of Compustat (WRDS). >> > >> > It is terrible, I can't find the mistake. >> > >> > Thank you in advance for your help, >> > Elham >> > >> > [[alternative HTML version deleted]] >> > >> > ______________________________________________ >> > 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. >> >> -- >> Peter Dalgaard, Professor, >> Center for Statistics, Copenhagen Business School >> Solbjerg Plads 3, 2000 Frederiksberg, Denmark >> Phone: (+45)38153501 >> Office: A 4.23 >> Email: pd....@cbs.dk Priv: pda...@gmail.com >> >> ______________________________________________ >> 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. >> > [[alternative HTML version deleted]] ______________________________________________ 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.
