[R] Counting

[Henrique Dallazuanna]

Try this:

table(Reduce(`==`, DF))

On Tue, Oct 13, 2009 at 9:20 AM, Ashta <sewashm at gmail.com> wrote:
> *Hi all,
> *
>
> *Assume that I have the following data set  with tow variables and I want
> count the number of observation with identical values
> *
>
> **
>
> *x1 x2*
>
> * 1   1 *
>
> * 1   0 *
>
> * 0   1*
>
> * 0   1*
>
> * 0   0*
>
> * 1   1*
>
> * 0   1
> *
>
>
> I want the  following output
> **
>
> *
> *
>
> *n1=3  # number of identical observation between x1 and x2 variables*
>
> *n2=4  # number of different observation*
>
>
> How do I do it in R?
>
>
> Thanks a lot
>
>
>
>
> **
>
>        [[alternative HTML version deleted]]
>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O