Try: table(k)[rank(unique(k))]
-ian Armin Meier wrote: > > Hi all, > I've a vector with entries, which are all of the same type, e.g. string: > k <- c("bb", "bb", "bb", "aa", "cc", "cc") > and want to create a second vector containing the number of each entry > in k in the same order as in k, i.e. > c(3, 1, 2) > > or: > k <- c(5,5,5,5,2,2,4) > => c(4,2,1) > > thanks > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/counting-entries-in-vector-tp21832564p21833066.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.