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Data Interview Question

User Birthdates

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Requirements Clarification & Assessment

  • Objective: Develop a method to predict the month and day of users' birthdays without them explicitly sharing this information.
  • Constraints:
    • Ethical considerations regarding privacy and data usage.
    • Accuracy of predictions versus acceptable error margins.
    • Scalability to handle millions of users.
  • Assumptions:
    • Users exhibit increased social activity around their birthdays.
    • Friends often post birthday wishes on social media platforms.
    • Users may attend events or share photos related to their birthdays.
  • Data Sources:
    • Social media posts and interactions (e.g., likes, comments).
    • Text data from posts and comments.
    • Event participation data.
    • Image data containing birthday-related content.
    • Historic data from users who have shared their birthdays.
  • Key Metrics:
    • Prediction accuracy (correct month and day).
    • Precision and recall in identifying birthday posts.
    • User engagement impact post-implementation.