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What is log loss?

How can you perform a dot product operation on two sparse matrices?

Calculate the average value of orders placed by customers located in the United States who have made at least 3 orders in the last month, using data from the "orders" and "customers" tables. Use a join operation in your query.

How do your near term objectives contribute to your long term objectives?

What's your process for determining the appropriate price point for our rider fees?

What criteria would you use to assess the success of a carpooling service?

In what way can you calculate the probability of a correct guess for a card drawn at random from a deck?

Could you explain why you believe Roblox is the right fit for you?

How would you describe the mechanism of collaborative filtering in an ML setting?

What are batch normalization and dropout, and why are they important in neural networks?