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How does the tf-idf algorithm rank words based on their importance in a document and what is the range of values for tf-idf scores?

Can you give an overview of the different ways to sample?

Describe a time when you made an unpopular decision.

Have you ever had a co-worker who is always late to a scheduled meeting? What do you do in this situation?

Architect a distributed job processing queue.

Can you describe a time when you went above and beyond to help a coworker in need, even if it wasn't directly related to your job responsibilities?

Imagine a situation where a customer is struggling to communicate with you due to a language barrier. What steps would you take to ensure their issue is resolved?

What are some of the personal weaknesses that have held you back in your career, and how have you worked on improving them? What challenges do you think you'll face as an Engineering Manager at Quantcast?

How would you choose between Lasso and Ridge regression for a particular problem?

What are some of the craft conferences you have attended, and what did you learn from the most recent one?