Q: What are the pros/cons of using trust region optimization algorithms instead of temporal difference ones to do planning in RL?
Applied Scientist Interview Questions
1,174 applied scientist interview questions shared by candidates
Situation where you had a disagreement with a colleague/boss? Situation where you had to take a risk where the end result was success/failure?
Since I signed an NDA, I am not able to give much details here. But in general, besides cultural-fit questions based on Amazon's leadership principles, I was asked three types of technical questions - a general workflow optimization problem, a specific problem faced by a researcher at Amazon, and technical questions on my research. For broad problem statements, it helps to start by listing out the possible directions the problem could go and interactively narrow down the requirements into a specific area of interest.
Nested query of SQL, class imbalance problem of classification, feature engineering strategies given a ML problem, questions related with my previous internship (matrix decomposition), and my thesis (graph mining)
Describe the method of integral images
General resume questions, computer vision problems, linked lists, binary tree, graph traversal
Explain your research, and how can you build up rec systems for Amazon drivers.
Describe a random forest model
We have a large store, we have a robot with a camera in our store, we would like to process the images collected by our robot but we cannot use techniques from image classification because we would have to many classes. What should we do?
Create a Battleship kind of game in python. Interviewer really helped me out a lot in this to make the game more efficient using dictionaries
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