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In binary classification, how do you handle imbalanced datasets where one class significantly outnumbers the other?

Please describe your proposed approach to creating a system that detects anomalies in a user's server data and sends alerts to get the user's attention.

Could you provide an overview of the BERT model, its benefits, and a depiction of its architectural design?

How do you validate the accuracy of your estimates for a user's lifetime value?

In creating a demand forecasting model for a ride-sharing service, which factors and data sources would you prioritize, and why? What steps would you take to validate the model and ensure its accuracy?

If you had a chance to change something about Zalando, what would it be?

What functions do nested SELECT statements and WITH serve in the structure of SQL queries?

You observe that a colleague always arrives late to a weekly meeting. What would you do?

Describe a time when you assisted a colleague with his work. What happened as a result?

How does the size of the input data affect the time complexity of training an SVM? How is the time complexity for SVM inference calculated? Can you explain the effect of different kernels on the time complexity of SVMs?