How would you correlate each device a person visits the website with back to that person?
Data Interview Questions
132,942 data interview questions shared by candidates
What is inner, left and outer join?
If you had 1000 factors for a ML model, how would you go about reducing this and how would you know when to stop. reducing
Q. If you had to chose only one financial statement, which one would you choose?
Two random variables have a uniform distribution between 0 and 1. What will be the expected value of the difference of these variables?
What is maximum likelihood estimation?
Why us? Then technical questions Would I relocate
Imagine you have N pieces of rope in a bucket. You reach in and grab one end-piece, then reach in and grab another end-piece, and tie those two together. What is the expected value of the number of loops in the bucket?
how to check if a linked list is a palindrome.
What would my manager say if I quit right now.
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