def test_effective_sample_size():
x = np.arange(1000.0).reshape(100, 10)
assert_allclose(effective_sample_size(x), 52.64, atol=0.01)
def effective_sample_size(samples):
if samples.shape[1] < 2:
return None # Too few samples.
else:
return diags.effective_sample_size(samples)