Example of the input data
Client name
Date ordered
Client 1
2019-01-01
Client 1
2019-01-01
Client 3
2019-01-01
Client 3
2019-01-01
Example of the engineered features
Client name
volume
last order date
first order date
days since last order
Client 1
292
2019-09-03
2015-03-04
10
Client 2
18
2019-09-09
2019-09-04
4
Client 3
300
2019-08-16
2016-11-15
28
Links
Feature Engineering
Feature