how to find correlation of a row with all the other rows of a matrix ?

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Rohit P
Rohit P 2022-10-7
评论： Rohit P 2022-10-10
Hello guys,
i am stuck at a problem.. i have 30000x8 matrix.. i want to find correlation coefficient of each row in the matrix with all the other rows in the matrix. for Ex- third row correlation with all its previous as well as succeeding rows.. how can i achieve this?.. please help.
Thank You in Advance

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Bruno Luong
Bruno Luong 2022-10-7
编辑：Bruno Luong 2022-10-7
If you have the right toolbox, use https://fr.mathworks.com/help/stats/corr.html
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Bruno Luong
Bruno Luong 2022-10-7
C = corrcoef(A.')
C(i,j) provides you the correlation between row i and row j of A.
C(i,:) is the correlation of row i to all other rows.
You need 7 Gb of RAM to store C if your A matrix is 30000 x 8.

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