Try also: t( apply(x, 1, function(x) table( factor(x, levels = 0:2) ) ) ) # 0 1 2 # [1,] 1 2 1 # [2,] 1 3 0 # [3,] 3 0 1 # [4,] 0 2 2
See ?apply, ?table and ?factor for more details, examples and information. HTH, Jorge On Thu, Jul 23, 2009 at 6:44 AM, amor Gandhi <amorigan...@yahoo.de> wrote: > Hi everyone, > > Is there any counter function in R for the following purpose: > x <- matrix(c(1,1,0,2,1,0,0,2,0,1,2,1,2,1,0,1),nrow=4) > As I would like to know how many zeros, ones, and twos in each row of x? > > Many thank in advance, > Amor > > > > > > [[alternative HTML version deleted]] > > > ______________________________________________ > 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. > > [[alternative HTML version deleted]] ______________________________________________ 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.
