You have built a model for credit risk assessment with 100 features. Upon evaluation, you find that only 20 features have significant predictive power. How would you proceed?
- Increase the number of features
- Keep all the features
- Retrain the model using only the 20 significant features
- Use all the features for model training
If only 20 features have significant predictive power, it might be beneficial to retrain the model using only these features. Reducing the number of features can make the model simpler, easier to interpret, and faster to train. It can also reduce the risk of overfitting.
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