[R] Break into Parts

[Gabor Grothendieck]

Try this:

tapply(x, cut(x, 12), sd)


On 4/28/06, sumanta basak <basaksumanta at yahoo.com> wrote:
> Hi R-Experts,
>
> I have a vector of length 72. I want to break it into 12 parts and want to take standerd deviation of each group. Please help me in this regard.
>
> Thanks,
> Sumanta.
>
>
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