Try this: table(Reduce(`==`, DF))
On Tue, Oct 13, 2009 at 9:20 AM, Ashta <sewa...@gmail.com> wrote: > *Hi all, > * > > *Assume that I have the following data set with tow variables and I want > count the number of observation with identical values > * > > ** > > *x1 x2* > > * 1 1 * > > * 1 0 * > > * 0 1* > > * 0 1* > > * 0 0* > > * 1 1* > > * 0 1 > * > > > I want the following output > ** > > * > * > > *n1=3 # number of identical observation between x1 and x2 variables* > > *n2=4 # number of different observation* > > > How do I do it in R? > > > Thanks a lot > > > > > ** > > [[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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
