Hi, library(plyr) df1<-count(df) rep(df1[,1],df1[,2]*100) count(as.character(rep(df1[,1],df1[,2]*100))) # x freq #1 A 200 #2 B 200 #3 C 200 #4 D 400 #5 F 400 A.K.
----- Original Message ----- From: Katherine Gobin <katherine_go...@yahoo.com> To: r-help@r-project.org Cc: Sent: Tuesday, March 26, 2013 4:12 AM Subject: [R] Counting various elemnts in a vactor Dear R forum I have a vector say as given below df = c("F", "C", "F", "B", "D", "A", "D", "D", "A", "F", "D", "F", "B", "C") I need to find (1) how many times each element occurs? e.g. in above vector F occurs 4 times, C occurs 2 times etc. (2) Depending on the number of occurrences, I need to repeat the element 100 times of the occurrences e.g. I need to repeat F 6 * 100 = 600 times, C 2*100 = 200 times. I can manage the second part i.e. repeating but I am not able to count the number of times the element is appearing in a given vector. Kindly guide Katherine [[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.