*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.