numpy.ma.std(self, axis=None, dtype=None, out=None, ddof=0, keepdims=) =
Returns the standard deviation of the array elements along given axis.
Masked entries are ignored.
Refer to numpy.std
for full documentation.
See also
ndarray.std
numpy.std
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Licensed under the NumPy License.
https://docs.scipy.org/doc/numpy-1.12.0/reference/generated/numpy.ma.std.html