table(mydata)
On Mon, Nov 22, 2010 at 3:12 PM, gianni lavaredo <gianni.lavar...@gmail.com>wrote: > Dear Researchers > > I am looking for a function to count how many elements repeats inside my > data.frame and create a new data.frame as the following example. > > thanks and sorry for desturbing > > example > mydata <- > > data.frame(myfield=c("A","A","A","A","A","A","B","B","B","B","C","C","C","D","D")) > > #result > > myfiled count > A 6 > B 4 > C 3 > D 2 > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- In God we trust, all others bring data. [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo