At Mon, 31 Dec 2012 12:13:43 +0200, catalin roibu wrote: > > Dear R users, > I want to group numerical values in classes with different size and count > the values for each classes. > > My data is in this forma: > d 15 12,5 30,4 20,5 80,4 100,5 8,2 40,5 33 21 11 > And I want the group them in classes with 4 (5,....etc) cm size like this: > class d 16 16 32 24 84 104 12 44 36 24 12 > and final to count values for each class: > class d n 12 2 16 2 24 2 32 1 36 1 44 1 > 84 1 104 1 Total 11
I rounded the sizes to the nearst whole cm. It's not clear to me how you want to group the elements from your description... > data = c(15, 12.5, 30.4, 20.5, 80.4, 100.5, 8.2, 40.5, 33, 21, 11) > aggregate(data, list(round(data)), length) Group.1 x 1 8 1 2 11 1 3 12 1 4 15 1 5 20 1 6 21 1 7 30 1 8 33 1 9 40 1 10 80 1 11 100 1 aggregate groups each element in the first argument according to the specified class. The third element is a function that is called on each group. Neal ______________________________________________ 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.
