AI engineering glossary · Time series recsys
What is holiday effect?
Holiday effect: A systematic rise or fall in a series around special dates, which may spread to days before and after. Models handle it with holiday flags, windows around them, or dedicated components.
Holiday effect: an example
Grocery orders rise 40 percent in the two days before Diwali and dip on the day itself.
Related terms
More Time series recsys terms
- Holt's linear method
- Holt-Winters method
- Hybrid recommender
- Intermittent demand
- Inverse propensity scoring
- Item-based collaborative filtering
- Kalman filter
- KPSS test
Where you learn it
Holiday effect is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.