def test_scaling():
"""Test the scaling function"""
shape = (400, 10)
u = np.random.randn(*shape)
mean = 100 * np.random.rand(shape[1]) + 1
Y = u + mean
Y_, mean_ = mean_scaling(Y)
assert_almost_equal(Y_.mean(0), 0, 5)
assert_almost_equal(mean_, mean, 0)
assert Y.std() > 1
def test_scaling():
"""Test the scaling function"""
shape = (400, 10)
u = np.random.randn(*shape)
mean = 100 * np.random.rand(shape[1]) + 1
Y = u + mean
Y_, mean_ = mean_scaling(Y)
assert_almost_equal(Y_.mean(0), 0, 5)
assert_almost_equal(mean_, mean, 0)
assert_true(Y.std() > 1)
