Target encoding (and leakage caveat)

← Courses›Data Science AppliedModule 4 · Causal Inference & A/B Testing›Target encoding (and leakage caveat)quiz50 / 100

Task

📝 **Question:** Why does naive target encoding cause leakage?

📋 Pick the right answer.

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

Time-series lag features via shift()

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:** Why does naive target encoding cause leakage?

📋 Pick the right answer.

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

💬 Discussion