def test_private_numerical_hist(example_private_table: PrivateTable):
"""check private hist implementation for numerical column.
bins: |.......|.......|.......|
boundaries: a0 a1 a2 a3
"""
bins: List[float] = [20, 30, 40, 50] # [a0, a1, a2, a3]
noisy_hist = example_private_table.num_hist('Age', bins,
PrivacyBudget(10000.))
err = [1, 1, 1]
noisy_hist.sort()
assert all(np.abs(noisy_hist - [1, 1, 2]) < err)
del noisy_hist, bins
def test_private_numerical_hist(example_private_table: PrivateTable):
"""check private hist implementation for numerical column of Age in adult dataset.
bins: 17, 18, 19 ... 90
"""
bins: List[float] = [int(i) for i in range(17, 91)]
noisy_hist = example_private_table.num_hist('Age', bins,
PrivacyBudget(10000.))
err = [int(1) for i in range(1, 74)]
noisy_hist.sort()
assert all(
np.abs(noisy_hist - [
1, 1, 3, 3, 6, 10, 12, 20, 22, 22, 23, 29, 43, 45, 46, 51, 64, 67,
72, 89, 108, 120, 150, 151, 178, 208, 230, 258, 300, 312, 355, 358,
366, 366, 395, 415, 419, 464, 478, 543, 550, 577, 595, 602, 708,
712, 720, 724, 734, 737, 753, 765, 770, 780, 785, 794, 798, 808,
813, 816, 827, 828, 835, 841, 858, 861, 867, 875, 876, 877, 886,
888, 898
]) < err)
del noisy_hist, bins
