[R] discrete variable

[Henrique Dallazuanna]

See

> length(unique(x))
[1] 6

> table(x)

On 02/03/2008, Pete Dorothy <croero at gmail.com> wrote:
> Hello,
>
> I am sorry for asking such a basic question. I could not find an answer to
> it using google.
>
> I have a discrete variable (a vector x) taking for example the following
> values : 0, 3, 4, 3, 15, 5, 6, 5
>
> Is it possible to know how many different values (modalities) it takes ?
> Here it takes 6 different values but the length of the vector is 8.
>
> I would like to know if there is a way to get the set of the
> modalities {0,3,4,15,5,6} with the number of times each one is taken
> {1,2,1,1,2,1}
>
> Thank you very much
>
> P.S. : is there some useful functions for discrete variables ?
>
> 	[[alternative HTML version deleted]]
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O