Fix the leakage: scale-before-split

← Courses›Data Science AppliedModule 4 · Causal Inference & A/B Testing›Fix the leakage: scale-before-splitquiz57 / 100

Task

📝 **Question:** Which of these correctly avoids the leakage?

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

GridSearchCV vs RandomizedSearchCV vs Optuna

Loading a CSV

Selecting columns and rows

Prerequisites — what you should know before this track

Prerequisites — what you should know before this track

🎯 Quiz

Question

📝 **Question:** Which of these correctly avoids the leakage?

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

💬 Discussion