1. write a python code foo(x) where foo(4) =3 and foo(3)=4 2. How would you design a google calendar-like app. 3. Given a jupyter notebook, find what was done wrong. Try going over model assumptions, accurate metrics for imbalanced data etc... They give you the data in advance so try going over it and predict what they might ask about it
Sr Data Scientist Interview Questions
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How driven are you compared to others you know? a) I'm the most driven person I know b) I'm in the top X% (10-25%... forget exact number) of people I know c) I'm as driven as most d) less driven than most
Explain the transformer architecture and each of the components.
Make sure you can talk about your past projects in satisfactory ways.
Given data, how would you write a query to get an unique number of users?
Answer the boy-girl problem.
Why do you want to join Optum?
Showed Python code and asked to explain what it did, or correct errors
Q: If there are 10 million variables, how can you reduce the dimensions?
What is the difference between SVM and Random Forest?
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