[R] Extract data of special character

[roslinazairimah zakaria]

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 <ruipbarradas using 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 <roslinaump using 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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*Roslinazairimah Zakaria*
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Faculty of Industrial Sciences & Technology
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