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Sr Data Scientist Interview Questions
3,495 sr data scientist interview questions shared by candidates
How would you write a query to obtain "X" result? How would you find people on Linkedin that works in "X" industry?
Basics of ML, DL and Python
Present a past DS project that you have led, and follow up questions on why certain approach was chosen vs others. Standard SQL querying (with joins, ranking, etc.) Self reflection of strengths and growth areas.
f(x) = ax + by; a, b are real. S = {(x, y} \in R^2| x+y=2, x>=0, y>=0}. Choose the correct option.
Generic questions on what the role was for and what I'd like to do. The recruiter mostly talked about the company.
Reviewed statistical outputs from a programming language and provided guidance / findings from the results.
given a binary array, find the maxi length of a contiguous subarray with equal number of 0 and 1
How would you join and summarize these tables? If you had an app that recommends restaurants based on customer reviews (think yelp), how would your app make recommendations for new restaurants (for which there would be no reviews)?
In-depth Rails questions, in particular on routes; What are those HTTP methods, and corresponding Rails methods. Difference between PUT/UPDATE. What is PATCH? Rails routes: member, collections? MySQL vs. Postgres, why one over the other. MySQL vs. NoSQL. Design eCommerce websites; Design products recommendation for eCommerce.
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