The SQL question was quite easy. Given a table with detailed customer complaint tickets of different types, calculate the share of processed tickets within each type.
Data Scientists Interview Questions
54,222 data scientists interview questions shared by candidates
What would I estimate as metrics for ab test ?
If you implement a new feature to FB how would you measure the success
What is the most important thing about being a scientist?
How do you find out trending queries/topics? How do you test a website feature i.e. given a set of webpages and few changes, how will you find out that the change works positively?
Why did you use Random Forests instead of Clustering?
They focus a lot on their leadership principles and your resume
1- Machine Learning concepts 2- Data Structure Case Study (Very easy) 3- Coding (Easy but they need hands-on exp) And Finally, Leadership (14 principles)
How to build a summary table out of a written-in-a-notepad-document table of cricket wins and losses by country. How to check the validity of an IP address string given some list of constraints.
How to reduce number of variables in Logistic regression and random forest?
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