When the World Changes Under Your Model
A first look at data drift and concept drift.
Models Get Stale
Your model is a snapshot of the past. As the real world moves on, that snapshot slowly goes out of date. This slow rot is called drift. 🌍
Data Drift
Data drift means the inputs change shape, like users suddenly being younger or shopping at new hours, even if the right answer rules stay the same.
All lessons in this course
- The Training-Serving Skew Trap
- Silent Failures: No Crash, Wrong Answers
- When the World Changes Under Your Model
- The Reproducibility Problem