How to calculate variance?

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CalebJones
CalebJones 2019-9-16
回答： Sebastian Körner 2019-9-16
matrix of 1510 x 15? 15 is number of channels...so i wanted variance of every channel.

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Sebastian Körner
Sebastian Körner 2019-9-16
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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