Yes, it does. table(dd$ATTRIBUTE, dd$TRAIT) #or xtabs( ~ ATTRIBUTE + TRAIT, dd)
Thank you so much Rui and Ivan. On Fri, Mar 15, 2019 at 5:51 AM Rui Barradas <ruipbarra...@sapo.pt> wrote: > Hello, > > Or more simple, > > xtabs( ~ ATTRIBUTE + TRAIT, dd) > > > Hope this helps, > > Rui Barradas > > Às 19:27 de 14/03/2019, Ivan Krylov escreveu: > > On Fri, 15 Mar 2019 03:06:28 +0800 > > roslinazairimah zakaria <roslina...@gmail.com> wrote: > > > >> how many of ATTRIBUTE related to TRAITS. > > > > The table() function can be used to count occurrences of each > > combination of factor levels. Does extracting the two columns by > > dd[,c('ATTRIBUTE','TRAIT')] and passing the result to table() help? > > > -- *Roslinazairimah Zakaria* *Tel: +609-5492370; Fax. No.+609-5492766* *Email: roslinazairi...@ump.edu.my <roslinazairi...@ump.edu.my>; roslina...@gmail.com <roslina...@gmail.com>* Faculty of Industrial Sciences & Technology University Malaysia Pahang Lebuhraya Tun Razak, 26300 Gambang, Pahang, Malaysia [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.