First round: tell me about your background, why are you interested in this position? Second round: How to figure out competitor's tipping pattern
Scientist Interviews
Scientist Interview Questions
"The questions you are asked in an interview for a position as a scientist will depend greatly on field of science you intend to work in. Generally, interviewers will be interested in your formal education, field of study and specialization, work, internship, and research experience, scientific writing skills, and interest in the subject matter. Expect to be asked technical questions that pertain to the knowledge needed to perform the duties of the job. While there are some positions open to scientists who possess associates' or bachelors' degrees, most jobs will require you to have at least a masters' degree with the majority requiring you to have a doctorate."
54,341 scientist interview questions shared by candidates
What is the bias-variance trade-off?
In a 52 cards game, you randomly draw 5 cards, then return 4 back to the dealer and you keep 1. The dealer will always know what card is in your hand. Can you tell me what strategy he used?
Questions about database and Machine Learning. The interviewer asked about my background in operations research and machine learning. Several programming questions with language of my choice.
What if you want to evaluate your model with respect to a system running on the client-side? How you are going to charge your client if your model is better than his system?
Take the integer 123 and convert it to 321. God forbid you use the most concise, correct solution, though. But hey, maybe I saved someone from this inane question since it's on full display on Glassdoor now.
The second question was trying to predict for 7 days. Follow up question was if u predict using the prediction u might accumulate errors.
Write a SQL query to count the number of unique users per day who logged in from both iPhone and web, where iPhone logs and web logs are in distinct relations.
How you will decide the number of clusters in k means?
How you will handle class imbalance problem? What are various approaches?
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