Dear all R member, I have a dataset which looks like:
x1 x2 . . . x250 A A C A C C A A A A A <NA> B B B <NA> C B ... more 2000 rows. I need count all dataset at the following: A = sum of A B = sum of B C = sum of C <NA> = sum of <NA> What function can I use? I'm just a beginner in R programming. Best regards, Jan Sabee ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
