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Data Interview Question
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User Birthdates
Practice the Question
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Requirements Calrification & Accessment
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.
Solution
Validation
Considerations and Trade-offs