How does an XGboost model work?
Staff Data Scientist Interview Questions
112 staff data scientist interview questions shared by candidates
How do you communicate different opinions with a stakeholder? How do you manage a project?
Ad questions (dont wish to disclose)
How to measure incrementality for a new ad
Experimentation data science role- how would you minimize bias in your test and control population samples
Tell us about a challenged you’ve faced in a previous project and how you solved it
Why LR could give you negative orediction
Build a simple marketing mix model. What are your recommendations about how to allocate marketing budget across channels based on your model?
One thing to note: I wasn't asked a single question on statistics or machine learning.
What are L2, L1 regularization? What is gradient descent? Explain transformers.
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