[R] combine two dataframe

Henrique Dallazuanna wwwhsd at gmail.com
Tue Nov 13 17:56:09 CET 2007


Try this:

 merge(B, A)

On 13/11/2007, sun <flyhyena at yahoo.com.cn> wrote:
> I have two data frame A and B adn want to cross them.
> A has format as:
>
> a1  a2 a3
> 1   2    3
> 2   3    1
> 1   3    2
> ...
>
> B:
>
> b1 b2
> 1   2
> 2   1
> ...
>
> the combine result shall be something like
>
> a1 a2 a3 b1 b2
> 1   2   3   1  2
> 1   2   3   2  1
> 2   3   1   1  2
> 2   3   1   2  1
> 1   3   2   1  2
> 1   3   2   2  1
> ....
>
>
> is there a function able of doing this instead of  loops?
>
> Thanks,
> Sun
>
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> and provide commented, minimal, self-contained, reproducible code.
>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O



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