Analyze time series and design validation experiment
Company: Google
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: hard
Interview Round: Onsite
Overview: This question evaluates competency in time series analysis, change-point detection, count-based forecasting, causal inference and experiment design, along with skills in handling missing observations, multiplicative weekly seasonality, outliers, structural breaks, effect sizing, and concise executive communication.
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