Instruction: Discuss your methodology, including feature engineering, model selection, and evaluation metrics.
Context: This question assesses the candidate's ability to predict user behavior, focusing on their understanding of feature importance and model evaluation.
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I would treat this as a ranking problem first and a probability estimation problem second. The system needs to decide which content to show, to whom, and in what context, so I would start by defining the engagement event, the prediction horizon, and the placement where...