Design a fraud detection system
Senior Data Scientist Interview Questions
3,509 senior data scientist interview questions shared by candidates
Predict Robinhood churn Using a database, order certain books by author's book count and couple of other statistics
some sql query like how to catch a fraud based on transaction data
Given 2 robinhood tables and asked to do bunch of window functions etc
Technical Question (Related / follow up to the previous question): Provide me with a specific example of a data project you implemented end to end and how you did it. What technologies did you use, what were the short comings, what did you learn from this process?
ML: metrics for imbalanced classification problem
How did you implement the algorithm in the assignment?
Explain your approach to creating a fraud detection system for the Skillz platform
I should not share questions.
difference between bagging and boosting.
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