Mantel test is interesting but it can't displays wish columns are similar.
Here an example: M
gene1 gene2 gene3 gene4 gene5
Sample1 2 4 1 7 2
Sample2 0 NA 2.3 1 9
Sample3
......
M1, M2, M3 are three matrices of genes expression from three diseases.
genes in columns and samples in rows.
I would like to know which diseases has nearest gene expression profile to
others? and which genes are in common?
Any suggestion?
Thanks
Karim
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