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
Here are two (pretty much the same) ways:> dx1 x2 x3 1 D D A 2 B D A 3 C A <NA> 4 D D A 5 A D C> table(sapply(d, as.character))A B C D 5 1 2 6> table(as.matrix(d))A B C D 5 1 2 6> sum(is.na(d))[1] 1 HTH, Andy> From: Jan Sabee > > 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 at stat.math.ethz.ch mailing list > stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > R-project.org/posting-guide.html > > >