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@@ 106-135 (lines=30) @@
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def test_student(self): |
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grp1_sample = Sample() |
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grp2_sample = Sample() |
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for i in range(20): |
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if random() <= 0.6: |
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grp1_sample.add_category("OK") |
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else: |
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grp1_sample.add_category("CANCEL") |
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for i in range(20): |
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if random() <= 0.61: |
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grp2_sample.add_category("OK") |
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else: |
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grp2_sample.add_category("CANCEL") |
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sampling_distribution = ProportionDiffSamplingDistribution(grp1_sample_distribution=SampleDistribution( |
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grp1_sample, categorical_value="OK"), |
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grp2_sample_distribution=SampleDistribution( |
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grp2_sample, categorical_value="OK")) |
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self.assertEqual(sampling_distribution.distribution_family, DistributionFamily.simulation) |
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testing = ProportionDiffTesting(sampling_distribution=sampling_distribution) |
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print('one tail p-value: ' + str(testing.p_value_one_tail)) |
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print('two tail p-value: ' + str(testing.p_value_two_tail)) |
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reject_one_tail, reject_two_tail = testing.will_reject(0.01) |
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print('will reject p_1 == p_2 (one-tail) ? ' + str(reject_one_tail)) |
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print('will reject p_1 == p_2 (two-tail) ? ' + str(reject_two_tail)) |
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self.assertFalse(reject_one_tail) |
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self.assertFalse(reject_two_tail) |
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if __name__ == '__main__': |
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unittest.main() |
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@@ 75-104 (lines=30) @@
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def test_normal(self): |
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grp1_sample = Sample() |
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grp2_sample = Sample() |
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for i in range(100): |
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if random() <= 0.6: |
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grp1_sample.add_category("OK") |
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else: |
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grp1_sample.add_category("CANCEL") |
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for i in range(100): |
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if random() <= 0.61: |
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grp2_sample.add_category("OK") |
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else: |
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grp2_sample.add_category("CANCEL") |
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sampling_distribution = ProportionDiffSamplingDistribution(grp1_sample_distribution=SampleDistribution( |
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grp1_sample, categorical_value="OK"), |
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grp2_sample_distribution=SampleDistribution( |
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grp2_sample, categorical_value="OK")) |
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self.assertEqual(sampling_distribution.distribution_family, DistributionFamily.normal) |
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testing = ProportionDiffTesting(sampling_distribution=sampling_distribution) |
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print('one tail p-value: ' + str(testing.p_value_one_tail)) |
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print('two tail p-value: ' + str(testing.p_value_two_tail)) |
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reject_one_tail, reject_two_tail = testing.will_reject(0.01) |
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print('will reject p_1 == p_2 (one-tail) ? ' + str(reject_one_tail)) |
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print('will reject p_1 == p_2 (two-tail) ? ' + str(reject_two_tail)) |
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self.assertFalse(reject_one_tail) |
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self.assertFalse(reject_two_tail) |
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def test_student(self): |
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grp1_sample = Sample() |
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grp2_sample = Sample() |
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chen0040 /
pysie
