Extract data of special character
Hello, Or more simple, xtabs( ~ ATTRIBUTE + TRAIT, dd) Hope this helps, Rui Barradas ?s 19:27 de 14/03/2019, Ivan Krylov escreveu:
On Fri, 15 Mar 2019 03:06:28 +0800 roslinazairimah zakaria <roslinaump at 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?