Different Tasks of Feature Engineering
- Aggregation - SUM, AVG, COUNT, etc. to aggregate values based on one or more dimensions.
- Part-Of - Extracting the year,month,day from Date dimension.
- Binning - Grouping customers by age & then calculating a numeric value within each bin(group).
- Flagging - Deriving a boolean value.
- Frequency Based Feature Enginnering
- Embedding / Feature learning