Q. What is the matrix used to evaluate the predictive model?
Product Development Scientist Interview Questions
54,399 product development scientist interview questions shared by candidates
Match users using different devices to browse items, the devices are phones or laptops.
detailed parameters about ML algorithm
Fix a piece of sh*t code that just request data and save it to MySql. Super easy and easy to fix so I don't know what is the point of the interview. Totally a sh*t experience.
In my opinion the most challenge question is to ask you to determine whether the difference of mean values of two columns is significant or not?
How to build up a model to predict credit card fraud?
What was your prior responsibility
Product sense part 5 : (fraud case) You got the results - how do you know if 1% improvement is good or bad
What is a Z-test? When would you use a Z test over a T test?
Say the DS team came up with a spam detection algorithm, what metrics would you use to measure success?
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