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What are the optimization algorithms that you have knowledge of? What are your tactics for optimizing a model that has a million variables? What’s the mechanism of the simplex technique in the context of optimization?

Design a notification service.

Design a music streaming and recommendation service like Spotify.

Could you elaborate on the assumption of error in linear regression and why it matters for precise modeling?

Discuss bias and variance in relation to decision trees? And, if you don't mind, can you tell me which is more troublesome: high bias or high variance, and the rationale behind that assertion?

Could you explain the concept of regularization and its impact on machine learning?

Build a system to analyze customer feedback in real time.

What sets the BERT structure apart from the BiLSTM, and how does it work?

Build a service for compressing URLs like TinyURL.

How do you perceive a Neural Network and could you detail its mode of operation?