Correlation between two matrices

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Sophia 2019-11-12

回答： the cyclist 2019-11-13

I have two matrices A and B both with same siez, i.e. 119*173.

What is the best way to find the correlation between those two?

I have tried couple of options, corr, corr2, corcoef etc.

It just gives a 2*2 NaN matrix, A and B have a lot of NaN's how to fix this

Daniel M 2019-11-13

One of these should solve it for you

the cyclist 2019-11-13

Can you also please be more clear about what you mean by the "correlation between two matrices"?

Do you expect one correlation coefficient, treating the matrices as 20,587x1 vectors that are simply shaped as 119x173?

Or do you expect 173 correlation coefficients -- one for each 119x1 column vector?

Or something else?

the cyclist 2019-11-13

One possibility, which ignores any element for which A or B is NaN, is

corrcoef(A,B,'rows','complete')

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