Feature Engineering
9 practice items · needed by 3 roles
Easy 4Medium 3Hard 2
Practice questions
- Which model needs feature scalingeasy
- Encoding a city featureeasy
- Millions of product IDs as a featuremedium
- Target encoding without leakagemedium
- A feature that is too goodhard
- Encoding a city columneasy
- Predicting a heavily skewed targetmedium
- Target encoding without leakagehard
- What training-serving skew iseasy