Re: [R] mean

From: Achim Zeileis (zeileis@ci.tuwien.ac.at)
Date: Thu 10 May 2001 - 03:37:43 EST

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Message-ID: <3AF98067.1EF489A6@ci.tuwien.ac.at>

luca laghi wrote:
>
> Greetings,
> a little question:
> if I heve got a matrix with 10 columns, how do I produce a 10 elements
> vector with the average of each column?

with apply()
if x is your matrix

apply(x, 2, 'mean')

Best,
Achim

> Thank you,
> Luca
>
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