[R] distance matrix?
John Ramey
johnramey at gmail.com
Mon Jun 28 23:44:27 CEST 2010
x <- 0:10
y <- t(replicate(11, 0:10))
abs(sweep(y, 1, x))
Hope this helps.
On Mon, Jun 28, 2010 at 5:21 AM, clips10 <m.mcquillan at lancaster.ac.uk> wrote:
>
> I have a vector 0 to 10 and want to create a matrix with the differences
> between the numbers in it for instance:
>
> 0 1 2 3 4 5 6 7 8 9 10
>
> 0 0 1 2 3 4 5 6 7 8 9 10
> 1 1 0 1 2 3 4 5 6 7 8 9
> 2
> 3
> 4
> 5
> 6
> 7
> 8
> 9
> 10
>
> Etc etc. So that the matrix is filled with the differences between in
> absolute value so there are no negatives.
>
> Any ideas?
>
> Thanks
>
> --
> View this message in context: http://r.789695.n4.nabble.com/distance-matrix-tp2270722p2270722.html
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>
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--
John A. Ramey, M.S.
Ph.D. Candidate
Department of Statistics
Baylor University
http://www.ramhiser.com
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