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Data Interview Question

Arrival Time for Seattle Rides

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Requirements Clarification & Assessment

  1. Objective Understanding:

    • Clearly define the primary objective: Develop a model to predict the Estimated Time of Arrival (ETA) for ride requests in Seattle.
    • Understand the business implications of accurate ETA predictions, such as improving customer satisfaction and operational efficiency.
  2. Dataset Evaluation:

    • Size & Volume: Assess if 1 million ride journeys are representative of the different traffic patterns and conditions in Seattle.
    • Feature Relevance: Identify key features like time of day, day of the week, weather conditions, and traffic data that might influence ETA.
    • Data Quality: Check for consistency, missing values, and anomalies. Determine how much of the data is usable after cleaning.
  3. Performance Metrics:

    • Define what constitutes "reliable accuracy" for the model. Is there a specific RMSE or MAE that the business considers acceptable?
    • Determine the acceptable level of prediction error from a business perspective. How much deviation in ETA is tolerable?
  4. Business Context:

    • Understand the business goals and constraints. Are there budgetary or time constraints for model development?
    • Consider the impact of model predictions on user experience and operational decisions.
  5. External Factors:

    • Consider external factors like city infrastructure changes or seasonal events that might affect traffic patterns and, consequently, ETAs.