[R] number of an element in a matrix

[Henrique Dallazuanna]

Try this:

mat <- matrix(sample(1:50, 100, rep = TRUE), 10)
table(mat)[which(table(mat) == 2)]

On 8/11/08, rostam shahname <rostamepython at gmail.com> wrote:
> Hi, I wonder if there is any function which gives the number of times which
> an element is repeated in the matrix. Let say there is a matrix, I would
> like to find out how many times number 2 has been repeated in the matrix, or
> in other words, how many elements of the matrix are equal 2.
> Thanks for your help,
> Rostam
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O