On Mon, 2009-07-13 at 09:06 +, Tom Liptrot wrote:
> Hi,
>
> I have a matrix:
>
> mymat <- matrix(runif(10*4), ncol=4)
>
> I wish to subtract the column means, down the colums, subtract the row
> means from the rows and add back the grand mean - all the means should
> be the means of mymat ra
Hi,
I have a matrix:
mymat <- matrix(runif(10*4), ncol=4)
I wish to subtract the column means, down the colums, subtract the row means
from the rows and add back the grand mean - all the means should be the means
of mymat rather than of the new matrix.
How can I do this?
Any help much appr
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