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? -- Best regards, Ivan ______________________________________________ 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.