Target Data Scientist Interview Questions
The questions to prepare for a Target Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Handle rare positive labels in ad fraud detection with the right sampling, loss design, validation, and thresholding strategy.
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Find the second-highest distinct purchase amount for each Target guest category and date within a rolling 30-day period.
TargetUse a CTE and window ranking to return the top three products by revenue within each category.
TargetTests understanding of Spark partitioning and how it speeds up query execution.
TargetDefine the primary metric, guardrails, and power for a customer-facing A/B test before deciding whether to ship.
TargetDiagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
TargetTests statistical testing approach for conversion metrics and practical significance decisions.
TargetTests offline evaluation strategy for recommendation systems without relying on online A/B tests.
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