Contrast Lasso vs Ridge trade‑offs
Company: Instacart
Role: Data Scientist
Category: Machine Learning
Difficulty: hard
Interview Round: Onsite
Overview: This question evaluates a Data Scientist's understanding of regularization methods (L1/Lasso, L2/Ridge, Elastic Net), their bias–variance trade-offs, variable selection behavior under multicollinearity, and the implications for inference on a treatment indicator in linear models.
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