Python wilson_score_interval示例

示例#1

 def test_wilson_valid(self):
     error = 0.2
     n_samples = 300
     assert pytest.approx(wilson_score_interval(error, n_samples, 90),
                          1e-3) == 0.03787
     assert pytest.approx(wilson_score_interval(error, n_samples, 95),
                          1e-3) == 0.04526
     assert pytest.approx(wilson_score_interval(error, n_samples, 98),
                          1e-3) == 0.05381
     assert pytest.approx(wilson_score_interval(error, n_samples, 99),
                          1e-3) == 0.05958

示例#2

 def test_wilson_invalid_samples(self):
     with pytest.raises(InvalidArgumentError):
         wilson_score_interval(0.2, -9, 90)

示例#3

 def test_wilson_invalid_confidence(self):
     with pytest.raises(InvalidArgumentError):
         wilson_score_interval(0.2, 100, 92)

示例#4

 def test_wilson_invalid_error(self):
     with pytest.raises(InvalidArgumentError):
         wilson_score_interval(-0.01, 300, 90)
     with pytest.raises(InvalidArgumentError):
         wilson_score_interval(1.01, 300, 90)