How to reduce number of variables in Logistic regression and random forest?
Data Science Consulting Interview Questions
40,253 data science consulting interview questions shared by candidates
They asked a lot of questions about my take-home project; in particular wanted to know about the reasons that I took the approach that I did. I could tell they were coming more from a statistical and economics background for the most part; while I'm more of an engineering and machine-learning hacker type standpoint. They also had a lot of "ambiguous" questions; by that, I mean questions about ambiguous business situations I might encounter in this position. Wanted to know how well I would do with ambiguous questions I might get from business leaders.
Tell me more about your previous experience? Did you work as data scientist? How many years of work experience you have ? About masters degree? where are you graduating from? do you need H1B in future
If you're trying to predict the gender of your customers and you only have 100 data points, what are possible problems?
What is the difference between bagging and boosting algorithms
What would I estimate as metrics for ab test ?
Case study question and simple SQL questions.
Say you notice a surge in average activity among users but the number of users is down, how would you explain this?
If you implement a new feature to FB how would you measure the success
How do you measure newsfeed health?
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