how about: a <- c(1,1,1,1,2,3,4,5,5) b <- as.data.frame(table(a)) b a Freq 1 1 4 2 2 1 3 3 1 4 4 1 5 5 2
which you can then select the bits you want from. David dennis11 wrote: > > I want to create a vecor with frequencies. > > I have tried this: > > a <- c(1,1,1,1,2,3,4,5,5) > b <- table(a) > print (b[1]) > > which results in: >> print (b[1]) > 1 > 4 > > The only thing I want is the 4. > > So this seems obvious: > print (b[1,2]) > > but it does not work: > Error in b[1, 2] : incorrect number of dimensions > > How do I get a vector or how do I refer to the "4" without getting the "1" > label as well? > ----- Institute for Transport Studies University of Leeds -- View this message in context: http://www.nabble.com/Frequency-vector-tp18939882p18940830.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.