View GitHub Repository pysie

Schedule Inspection
Subscribe
Completed
Push — master ( b187e9...0db62b )
by Xianshun
01:00
created

test_confidence_interval_with_sample_stats()   A

↳ Parent: MeanSamplingDistributionUnitTest

Complexity

Conditions 1

Size

Total Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
c 1
b 0
f 0
dl 0
loc 8
rs 9.4285
1 
import unittest
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    3
                

                                    
                                                    
                
                
                
from pysie.stats.distributions import MeanSamplingDistribution, DistributionFamily

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    4
                

                                    
                                                    
                
                
                
from pysie.stats.samples import Sample

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    5
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    6
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    7
                

                                    
                                                    
                
                
                
class MeanSamplingDistributionUnitTest(unittest.TestCase):

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    8
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    9
                

                                    
                                                    
                
                
                
    def test_confidence_interval_with_sample_stats(self):

            


            
                                                                        
                            
            
                                    
            
            

                
                    10
                

                                    
                                                    
                
                
                
        sample_mean = 0

            


            
                                                                        
                            
            
                                    
            
            

                
                    11
                

                                    
                                                    
                
                
                
        sample_sd = 1

            


            
                                                                        
                            
            
                                    
            
            

                
                    12
                

                                    
                                                    
                
                
                
        sample_size = 31

            


            
                                                                        
                            
            
                                    
            
            

                
                    13
                

                                    
                                                    
                
                
                
        sampling_distribution = MeanSamplingDistribution(sample_mean=sample_mean, sample_sd=sample_sd, sample_size=sample_size)

            


            
                                                                        
                            
            
                                    
            
            

                
                    14
                

                                    
                                                    
                
                
                
        self.assertEqual(sampling_distribution.distribution_family, DistributionFamily.normal)

            


            
                                                                        
                            
            
                                    
            
            

                
                    15
                

                                    
                                                    
                
                
                
        print('sampling distribution: (point_estimate = ' + str(sampling_distribution.point_estimate) + ', standard_error=' + str(sampling_distribution.standard_error) + ')')

            


            
                                                                        
                            
            
                                    
            
            

                
                    16
                

                                    
                                                    
                
                
                
        print('confidence interval for 95% confidence level: ' + str(sampling_distribution.confidence_interval(0.95)))

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    17
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    18
                

                                    
                                                    
                
                
                
if __name__ == '__main__':

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    19
                

                                    
                                                    
                
                
                
    unittest.main()

            


            
                                                        
            
                                    
            
            

                
                    20