[R] elegant way to minus on each row of a matrix

[Henrique Dallazuanna]

Try this:

sweep(mat, 1, vec)


On 02/03/2008, Bo Zhou <bozhou1981 at hotmail.com> wrote:
>
> How to do this in an elegant way formatrix/data frame/zoo?
>
> mat=
> 1 2 3
> 4 5 6
> 7 8 9
>
> vector=
> 1
> 2
> 3
>
>
> result=
> 0 1 2
> 2 3 4
> 4 5 6
>
> ie
> 1-1  2-1  3-1
> 4-2  5-2  6-2
> 7-3  8-3  9-3
>
> Thanks in advance.
>
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>
> 08
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O