Understanding standard deviation code
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Hi Guys,
For the following built in matlab function for standard deviaion std(X,0,2) please can someone tell me what the 0 and 2 are for?
Thanks in advace
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Answers (1)
the cyclist
on 22 Nov 2019
The "0" specifies that the standard deviation will be weighted by sqrt(N-1), where N is the number of elements.
The "2" specifies that the standard deviation will be taken in dimension 2 (i.e. across the rows of a matrix, rather than the default which is down the columns).
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