[R] Help with applying a function to all possible 2x2 submatrices

[Bert Gunter]

Inline.

On Mon, Oct 22, 2012 at 1:10 PM, CMB123 <craig.bielski at gmail.com> wrote:
> I apologize if the term "submatrix" was confusing - I am basically 2 rows and
> 2 columns from a r x c matrix to construct 2x2 matricies. Thus, the
> choose(r,2) * choose(c,2) possible combinations.
>
> For each matrix [(a,b), (c,d)],
What does that mean? -- it ain't R syntax. Is (a,b) a row or column?

Also, please don't post through Nabble, as R-help is a separate
mailing list and we lose context here (and don't wish to mess with
Nabble).

-- Bert

-- Bert


I am testing a > b, b > d, d > c, and c > a.
> For the sake of simplicity I have combined these tests into a single
> function (with the intent of applying it to the matrix, ideally).
>
> I hope this is clearer...
>
>
>
> --
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> Sent from the R help mailing list archive at Nabble.com.
>
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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