Hi List,

I would like to compare two (confusion) matrices. I ended up with the ade4 mantel.rtest function as my best option. However it seems that my data is non-euclidean in nature (is.euclid gives a FALSE). I attached both matrices at the end of the document.

Are there any tools to transform these matrices into an euclidean form so I can use mantel.rtest with confidence.

Other suggestions are also welcome.

Kind regards,
Koen

--

matrix 1

   V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11
1   0 60  5  0  9  3  3  0 18   1   1
2  30  0 12  0  2 45  1  0  5   4   1
3   8 32  0  1 19  5  4  0 27   1   3
4   0  0  3  0 67  1  3  0  0   0  25
5  12  3 13 26  0 12 27  0  3   2   2
6   1 72  1  0  4  0 11  0  0  10   1
7   3  2  9  0 45 40  0  0  0   0   0
8  13  3  0  0  0  1  0  0 10   0  72
9  24 26 34  0  6  2  0  2  0   2   4
10  2 21  1  0  1 67  0  0  1   0   6
11  2  2 28 11 10 10  0 22  3  13   0

matrix 2

   V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11
1   0 66  0 10  9  5  0  3  7   0   0
2  43  0  0 14  2 32  0  1  5   3   0
3  11 32  4  0 19 10  1  7 13   2   0
4   0  0  0  0  0  0  0  0  0   0   0
5  11  6  4 18  0 15 18 22  4   1   0
6   2 40  3  3 12  0  1 24  1  14   0
7   4  5  0  8 32 49  2  0  0   0   0
8   0  0  0  0  0  0  0  0  0   0   0
9  19 23  2 42  8  2  0  0  0   3   1
10  1 16  3  3  3 73  0  0  2   0   0
11  2  4  0 20 15 10 15  0 10   7  17

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