Hi, >From the dscription, looks like you need ?rle() vec1 <- c(111, 106, 117, 108, 120, 108, 108, 116, 116, 113) res <- rle(vec1)$lengths names(res) <- rle(vec1)$values res[res>1] #108 116 # 2 2
length(res[res>1]) A.K. On Thursday, November 21, 2013 10:12 AM, b. alzahrani <cs_2...@hotmail.com> wrote: hi guys Assume I have this dataframe: v3$number_of_ones [1] 111 106 117 108 120 108 108 116 116 113 Is there any command in r that gives me the frequency of these numbers (how many each number is repeated e.g. the number 108 repeated 2 and 111 repeated one an so on) I have around 10^6 number and would like to see how many each number if repeated. Regards ****************************************************************** Bander Alzahrani, [[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. ______________________________________________ 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.