Coverage for /Users/sebastiana/Documents/Sugarpills/confidence/spotify_confidence/analysis/frequentist/z_test.py: 89%

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1# Copyright 2017-2020 Spotify AB 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14 

15from typing import Union, Iterable 

16 

17from pandas import DataFrame 

18 

19from spotify_confidence.analysis.abstract_base_classes.confidence_computer_abc import ConfidenceComputerABC 

20from spotify_confidence.analysis.abstract_base_classes.confidence_grapher_abc import ConfidenceGrapherABC 

21from spotify_confidence.analysis.constants import BONFERRONI, METHOD_COLUMN_NAME, ZTEST 

22from spotify_confidence.analysis.frequentist.experiment import Experiment 

23 

24 

25class ZTest(Experiment): 

26 def __init__( 

27 self, 

28 data_frame: DataFrame, 

29 numerator_column: str, 

30 numerator_sum_squares_column: Union[str, None], 

31 denominator_column: str, 

32 categorical_group_columns: Union[str, Iterable], 

33 ordinal_group_column: Union[str, None] = None, 

34 interval_size: float = 0.95, 

35 correction_method: str = BONFERRONI, 

36 confidence_computer: ConfidenceComputerABC = None, 

37 confidence_grapher: ConfidenceGrapherABC = None, 

38 metric_column: Union[str, None] = None, 

39 treatment_column: Union[str, None] = None, 

40 power: float = 0.8, 

41 ): 

42 super(ZTest, self).__init__( 

43 data_frame=data_frame.assign(**{METHOD_COLUMN_NAME: ZTEST}), 

44 numerator_column=numerator_column, 

45 numerator_sum_squares_column=numerator_sum_squares_column, 

46 denominator_column=denominator_column, 

47 categorical_group_columns=categorical_group_columns, 

48 ordinal_group_column=ordinal_group_column, 

49 interval_size=interval_size, 

50 correction_method=correction_method, 

51 confidence_computer=confidence_computer, 

52 confidence_grapher=confidence_grapher, 

53 method_column=METHOD_COLUMN_NAME, 

54 metric_column=metric_column, 

55 treatment_column=treatment_column, 

56 power=power, 

57 )