Coverage for jstark / grocery / channel_count.py: 100%

1"""ChannelCount feature""" 

2 

3import pyspark.sql.functions as f 

4from pyspark.sql import Column 

5 

6from jstark.features.distinctcount_feature import DistinctCount 

7 

8 

9class ChannelCount(DistinctCount): 

10 def column_expression(self) -> Column: 

11 return f.col("Channel") 

12 

13 @property 

14 def description_subject(self) -> str: 

15 return "Distinct count of Channels" 

16 

17 @property 

18 def commentary(self) -> str: 

19 return ( 

20 "Channels may be things like 'instore' or 'online', although you can supply" 

21 + " whatever values you want. Perhaps they are marketing channels. This " 

22 + " feature is the number of distinct channels in which activity occurred." 

23 )