Пример #1
0
    def testCovExecution(self):
        data = np.array([[0, 2], [1, 1], [2, 0]]).T
        x = tensor(data, chunk_size=1)

        t = cov(x)

        res = self.executor.execute_tensor(t, concat=True)[0]
        expected = np.cov(data)
        np.testing.assert_equal(res, expected)

        data_x = [-2.1, -1, 4.3]
        data_y = [3, 1.1, 0.12]
        x = tensor(data_x, chunk_size=1)
        y = tensor(data_y, chunk_size=1)

        X = stack((x, y), axis=0)
        t = cov(x, y)
        r = tall(t == cov(X))
        self.assertTrue(self.executor.execute_tensor(r)[0])
Пример #2
0
def test_cov_execution(setup):
    data = np.array([[0, 2], [1, 1], [2, 0]]).T
    x = tensor(data, chunk_size=1)

    t = cov(x)

    res = t.execute().fetch()
    expected = np.cov(data)
    np.testing.assert_equal(res, expected)

    data_x = [-2.1, -1, 4.3]
    data_y = [3, 1.1, 0.12]
    x = tensor(data_x, chunk_size=1)
    y = tensor(data_y, chunk_size=1)

    X = stack((x, y), axis=0)
    t = cov(x, y)
    r = tall(t == cov(X))
    assert r.execute().fetch()