[R] matrix to list

[Henrique Dallazuanna]

Try this:

m <- matrix(rep(1:3, 3), 3, dimnames = list(letters[1:3], letters[1:3]))
as.data.frame.table(t(m))

On Wed, Sep 17, 2008 at 10:52 PM, Pinder, Adrian
<Adrian.Pinder at dec.wa.gov.au> wrote:
> Hi, can someone please tell me how to convert a square matrix to a list in R?
>
> i.e. I want to convert from:
>
>        a       b       c
> a       1       1       1
> b       2       2       2
> c       3       3       3
>
> to:
>
> a       a       1
> a       b       1
> a       c       1
> b       a       2
> b       b       2
> b       c       2
> c       a       3
> c       b       3
> c       c       3
>
>
> Thanks,
> Adrian.
>
>
> Adrian Pinder
> Senior Research Scientist
> Wetland Research
> Dept. Environment and Conservation
> P.O. Box 51 Wanneroo 6946
> Western Australia
> adrian.pinder at dec.wa.gov.au (W)
> apnlp1 at optusnet.com.au (H)
> http://www.naturebase.net/content/view/2475/1338/
> ph (61) 08 94055153, fax (61) 08 93061641
> mob. 0438 935 932
>
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O