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When have you taken a risk?

How would you diagnose possible reasons for the decrease in friends acceptance rate post the launch of a new notification system.

In your experience, what are some of the examples of real-world scenarios where overfitting and underfitting have posed challenges for model performance and accuracy? What are the outcomes?

How would you design a recommendation system that tracks a user's music listening behavior and uses that data to suggest new songs or artists that they might enjoy? What features or characteristics would you use to model the user's listening history and how would you incorporate those into your recommendation algorithm?

What would you like to gain from the position of Data Scientist at Meta - what are some of your key goals?

Given a DAG, write a function to return the length of the longest path.

What do you think would be your biggest challenge in the Meta Data Scientist role?

What do you think does Meta values in its employees?

How do you detect any harmful material on one of the largest video-sharing platforms, YouTube?

How do you approach improving the click-through rate of a specific section of the app interface?