R help - Oct 2008 - Matrix starting at [0,0] instead of [1,1]?

Hello all,

When I create a matrix, is there a way to make it start at [0,0], 
instead of [1,1]?

That way, a 2x2 matrix would go from [0,0] to [1,1], instead of [1,1] 
to [2,2].

Best,
Guillaume

If you are willing to use character instead of numeric you can:
> xx <- matrix(1:4, 2, 2, dimnames = list(as.character(0:1),
as.character(0:1)))
> xx
  0 1
0 1 3
1 2 4
> xx["0", "1"]
[1] 3


On Wed, Oct 15, 2008 at 9:29 PM, Guillaume Filteau <filteau at unc.edu>
wrote:
> Hello all,
>
> When I create a matrix, is there a way to make it start at [0,0], instead
of
> [1,1]?
>
> That way, a 2x2 matrix would go from [0,0] to [1,1], instead of [1,1] to
> [2,2].
>
> Best,
> Guillaume
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

On 16/10/2008, at 2:29 PM, Guillaume Filteau wrote:
> Hello all,
>
> When I create a matrix, is there a way to make it start at [0,0],
> instead of [1,1]?
>
> That way, a 2x2 matrix would go from [0,0] to [1,1], instead of [1,1]
> to [2,2].
First, see fortune(36).

Then, if you ***MUST***, install package ``Oarray'' from CRAN.

	cheers,

		Rolf Turner

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