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?
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