Step 1: TheoryTheory Article
Data Leakage in ML
Study the core concepts and background material for this learning item.
Step 2: PracticeKaggle Workbook
Data Leakage Exercise
Solve the challenges and apply your knowledge interactively.
Hard25 min estimated study
Overview
Audit features for processing leaks that artificially inflate validation scores.
Learning Objectives
- Identify target leaks
- Resolve train-test leaks
Prerequisites
Item #35XGBoost Gradient Boosting
LockedTracking Control
Completion Reward+250 XP
Study Checklist
Studied theory resource
Completed practice exercise