[R] Get median of each column

[jim holtman]

?apply

> x <- matrix(1:25,5)
> x
     [,1] [,2] [,3] [,4] [,5]
[1,]    1    6   11   16   21
[2,]    2    7   12   17   22
[3,]    3    8   13   18   23
[4,]    4    9   14   19   24
[5,]    5   10   15   20   25
> apply(x, 2, median)
[1]  3  8 13 18 23
>


On Wed, Jan 28, 2009 at 11:48 AM, Frank Zhang <frankyuzhang at yahoo.com> wrote:
> I am new to R. How can I get column median? Thanks.Frank
>
>
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

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