c(1:3)[c(1,NA,3)] [1] 1 NA 3
On Wed, Aug 26, 2020 at 6:06 PM Elham Daadmehr <e.daadm...@gmail.com> wrote: > 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.