Here's a solution, though it may be overcomplicated. I assume the data frame is called "dat":
vec <- unlist(lapply(strsplit(dat$x1, ","), function (x) summary(as.factor(x)))) > table(names(vec)) 1 2 3 4 5 9 6 2 2 8 Cheers, Simon. On Thu, 2009-04-16 at 13:03 +0700, Xiyan Lon wrote: > Dear all, > I have a data file with 3 variables (x1, x2, x3) where variable x1 > have data that consists of several numbers separated by commas. > > id name x1 x2 x3 > aa101 1,4,5 2 1 > aa102 1,2,5 1 2 > aa103 1,2,5 1 1 > aa104 1,2,3 1 2 > aa105 1,5 2 2 > aa106 1,2,5 2 2 > aa107 1,2,5 2 1 > aa108 1,4,5 2 1 > aa109 1,2 1 2 > aa110 3,5 1 2 > > > I want to count the number of data for each variables and make barplot > for each variables. > I know how to count for variable x2 and x3 and make barplot for x2 and > x3, but I don't know how to count data in variable x1. > Are there any trick how to count data in variable x1? > The result maybe like: > > x1 > 1 9 > 2 6 > 3 2 > 4 4 > 5 8 > > > x2 > 1 5 > 2 5 > > x3 > 1 4 > 2 6 > > > Thank you for any help. > > Xiyanlon > > ______________________________________________ > 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. -- Simon Blomberg, BSc (Hons), PhD, MAppStat. Lecturer and Consultant Statistician School of Biological Sciences The University of Queensland St. Lucia Queensland 4072 Australia Room 320 Goddard Building (8) T: +61 7 3365 2506 http://www.uq.edu.au/~uqsblomb email: S.Blomberg1_at_uq.edu.au Policies: 1. I will NOT analyse your data for you. 2. Your deadline is your problem. The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. - John Tukey. ______________________________________________ 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.