Dear Jörg,
See ?cut and ?table. Is this what you want?

x <- c(1, 3, 1.2, 5, 5.9)
table(cut(x,breaks=c(0,2,4,6)))
(0,2] (2,4] (4,6]
    2     1     2

HTH,

Jorge


On Thu, Oct 16, 2008 at 12:46 PM, Jörg Groß <joerg@licht-malerei.de> wrote:

> Hi,
>
>
> Is there a function which counts the frequencies of the occurence of a
> number within an interval?
>
> for example I have this vector:
>
> x <- c(1, 3, 1.2, 5, 5.9)
>
> and I want a vector that gives me the frequencies within an interval of 2,
> beginning at 0
> (so the intervals are 0-2, 2-4, 4-6 and so on)
>
> so I get these frequencies:
>
> 2, 1, 2
>
>
> Which functions do I have to use for this purpose?
>
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