1
|
|
|
import unittest |
2
|
|
|
|
3
|
|
|
from numpy.random.mtrand import normal |
4
|
|
|
|
5
|
|
|
from pysie.dsl.one_group import MeanTesting |
6
|
|
|
from pysie.stats.distributions import MeanSamplingDistribution |
7
|
|
|
from pysie.stats.samples import Sample, SampleDistribution |
8
|
|
|
|
9
|
|
|
|
10
|
|
View Code Duplication |
def test_mean_student(): |
|
|
|
|
11
|
|
|
mu = 0.0 |
12
|
|
|
sigma = 1.0 |
13
|
|
|
sample_size = 29 |
14
|
|
|
sample = Sample() |
15
|
|
|
|
16
|
|
|
for i in range(sample_size): |
17
|
|
|
sample.add_numeric(normal(mu, sigma)) |
18
|
|
|
|
19
|
|
|
sampling_distribution = MeanSamplingDistribution(sample_distribution=SampleDistribution(sample)) |
20
|
|
|
testing = MeanTesting(sampling_distribution=sampling_distribution, mean_null=0.0) |
21
|
|
|
|
22
|
|
|
print('one tail p-value: ' + str(testing.p_value_one_tail)) |
23
|
|
|
print('two tail p-value: ' + str(testing.p_value_two_tail)) |
24
|
|
|
reject_one_tail, reject_two_tail = testing.will_reject(0.01) |
25
|
|
|
print('will reject mean = 0 (one-tail) ? ' + str(reject_one_tail)) |
26
|
|
|
print('will reject mean = 0 (two-tail) ? ' + str(reject_two_tail)) |
27
|
|
|
|
28
|
|
|
|
29
|
|
|
class MeanTestingUnitTest(unittest.TestCase): |
30
|
|
|
|
31
|
|
View Code Duplication |
def test_mean_normal(self): |
|
|
|
|
32
|
|
|
mu = 0.0 |
33
|
|
|
sigma = 1.0 |
34
|
|
|
sample_size = 31 |
35
|
|
|
sample = Sample() |
36
|
|
|
|
37
|
|
|
for i in range(sample_size): |
38
|
|
|
sample.add_numeric(normal(mu, sigma)) |
39
|
|
|
|
40
|
|
|
sampling_distribution = MeanSamplingDistribution(sample_distribution=SampleDistribution(sample)) |
41
|
|
|
testing = MeanTesting(sampling_distribution=sampling_distribution, mean_null=0.0) |
42
|
|
|
|
43
|
|
|
print('one tail p-value: ' + str(testing.p_value_one_tail)) |
44
|
|
|
print('two tail p-value: ' + str(testing.p_value_two_tail)) |
45
|
|
|
reject_one_tail, reject_two_tail = testing.will_reject(0.01) |
46
|
|
|
print('will reject mean = 0 (one-tail) ? ' + str(reject_one_tail)) |
47
|
|
|
print('will reject mean = 0 (two-tail) ? ' + str(reject_two_tail)) |
48
|
|
|
|
49
|
|
|
|
50
|
|
|
if __name__ == '__main__': |
51
|
|
|
unittest.main() |
52
|
|
|
|