recarray.mean(axis=None, dtype=None, out=None, keepdims=False) Returns the average of the array elements along given axis

matrix.mean(axis=None, dtype=None, out=None)

recarray.cumsum(axis=None, dtype=None, out=None) Return the cumulative sum of the elements along the given axis. Refer

recarray.diagonal(offset=0, axis1=0, axis2=1) Return specified diagonals. In NumPy 1.9 the returned array is a read-only

matrix.std(axis=None, dtype=None, out=None, ddof=0)

matrix.nonzero() Return the indices of the elements that are non-zero. Refer to

record.min() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and possesses

record.repeat() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and

matrix.view(dtype=None, type=None) New view of array with the same data.

record.tolist() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and