How to calculate variance?

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matrix of 1510 x 15? 15 is number of channels...so i wanted variance of every channel.

Accepted Answer

Sebastian Körner
Sebastian Körner on 16 Sep 2019
A= *your matrix*
V = var(A);
If A is a matrix whose columns are random variables and whose rows are observations, V is a row vector containing the variances corresponding to each column.

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