def test_cov_2(self):
"func.cov_2"
original = larry([[nan, 2.0, 1.0], [2.0, 3.0, 1.0], [4.0, 1.0, 1.0]])
original = original.demean(1)
desired = larry(np.ma.cov(np.ma.fix_invalid(original.x), bias=1).data)
actual = cov(original)
ale(actual, desired, msg='cov test #2', original=original)
def test_cov_1(self):
"func.cov_1"
original = larry([[2.0, 2.0, 3.0, 1.0], [3.0, 2.0, 2.0, 1.0],
[1.0, 1.0, 1.0, 1.0]])
original = original.demean(axis=1)
desired = larry([[0.5, 0.25, 0.], [0.25, 0.5, 0.], [0., 0., 0.]])
actual = cov(original)
ale(actual, desired, msg='cov test #1', original=original)
def test_cov_2(self):
"func.cov_2"
original = larry([[nan, 2.0, 1.0],
[2.0, 3.0, 1.0],
[4.0, 1.0, 1.0]])
original = original.demean(1)
desired = larry(np.ma.cov(np.ma.fix_invalid(original.x), bias=1).data)
actual = cov(original)
ale(actual, desired, msg='cov test #2', original=original)
def test_cov_1(self):
"func.cov_1"
original = larry([[ 2.0, 2.0, 3.0, 1.0],
[ 3.0, 2.0, 2.0, 1.0],
[ 1.0, 1.0, 1.0, 1.0]])
original = original.demean(axis=1)
desired = larry([[ 0.5, 0.25, 0. ],
[ 0.25, 0.5, 0. ],
[ 0., 0., 0. ]])
actual = cov(original)
ale(actual, desired, msg='cov test #1', original=original)