Hi Jarek,
Take a look at ?which, ?ifelse and ?recode (car package).

HTH,
Jorge


On Tue, Sep 29, 2009 at 2:11 PM, Jarek Jasiewicz <> wrote:

> Dear All!
>
> I'm looking for equivalent of Matematica function "Which" which works as
> follows:
>
> z = Which[x<10,0.3, 10<=x<20,0.5, 20<=x<100,1]
>
> where x is a vector
>
> I can replace it with custom function with set of ifelse but I'm looking
> for simpler and faster (much faster) solution
>
> best wishes
> Jarek
>
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