MaskedArray.ptp(axis=None, out=None, fill_value=None)

numpy.ma.mr_ = Translate slice objects to concatenation along the first axis. This is the masked array version of lib

MaskedArray.flatten(order='C')

numpy.ma.clump_masked(a)

numpy.ma.is_mask(m)

numpy.ma.copy(self, *args, **params) a.copy(order='C') = Return a copy of the array.

numpy.ma.masked_less_equal(x, value, copy=True)

numpy.ma.all(self, axis=None, out=None) = Check if all of the elements of a are true. Performs a logical_and

numpy.ma.corrcoef(x, y=None, rowvar=True, bias=, allow_masked=True, ddof=)

MaskedArray.copy(order='C')