Explain the importance of feature selection in machine learning models for business applications. Additionally, how do you ensure the interpretability of models, especially when dealing with complex algorithms like ensemble methods?

1 answer published. Last candidate submission on Oct 20 2025, 12:08pm PDT. Interview question asked to Business Intelligence Engineers interviewing at Amazon Web Services and Amazon. Original question asked: Explain the importance of feature selection in machine learning models for business applications. Additionally, how do you ensure the interpretability of models, especially when dealing with complex algorithms like ensemble methods?. Question last reported by a candidate interviewing at Amazon for a Business Intelligence Engineer interview on Dec 17 2024, 9:54pm PDT.