Hi,

Try apply function:
            apply(matrix,1,table)

Regards
M



Le 08/06/11 08:23, the_big_kowalski a écrit :
> Hi,
>
> I have a matrix
>       [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
> [1,]    1    3    1    1    3    1    1    2    3     2
> [2,]    1    3    1    2    1    1    1    2    2     1
> [3,]    1    2    2    3    2    1    1    1    2     1
> [4,]    3    2    1    1    1    3    1    2    1     2
> [5,]    1    1    2    2    1    1    3    1    1     2
> and want to determine how many times 1s, 2s, and 3s occur per each row.
> I tried using 'table', but end up with frequencies for the whole matrix.
> Thanks in advance for your help
>
> --
> View this message in context: http://r.789695.n4.nabble.com/determine-frequencies-in-a-matrix-by-row-tp3581733p3581733.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>


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