The gtools package has quantcut.
On Tue, Nov 18, 2008 at 6:53 AM, Daniel Brewer <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I was just wondering whether there is a quick way to divide a vector of
> data into four groups defined by the quantiles?
> i.e.
> 0-25%
> 25-50%
> 50-75%
> 75-100%
>
> Many thanks
>
> Dan
>
> --
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> Daniel Brewer, Ph.D.
>
> Institute of Cancer Research
> Molecular Carcinogenesis
> Email: [EMAIL PROTECTED]
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