Never touch test data while building a model
never-touch-test-data-while-building-a-model · always_apply: yes
Content
Set the test split aside entirely until evaluation. Using it earlier — even to peek — invalidates the assessment of the model's real predictive power.
Details
- Slug:
never-touch-test-data-while-building-a-model- Always apply:
- Yes
- Created:
- Sep 18, 2026
- Updated:
- Sep 18, 2026
Playbook
Activities 0
No activities linked.