What is the role of feature engineering in machine learning?
Feature engineering is the process of selecting, modifying, or creating features to improve model performance.
Why is feature engineering important?
It's crucial because well-engineered features can significantly enhance the predictive power of your model.
Can you give me an example of feature engineering?
Sure! For instance, converting a date into separate features like day, month, and year can help a model understand seasonal trends.
How does feature engineering differ from feature selection?
Feature engineering involves creating new features, while feature selection is about choosing the best features from existing ones.
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