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
54,300 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?
En quel animal vous réincarneriez-vous ?
You have a database of customer transactions and for some users you don’t have much data (1-2 transactions), and you want them to use Revolut’s services more. How would you analyse the data to do so, with such limited data on some users.
Nothing was unexpected
Model Deployment. Credit Risk(A lot of credit risk concept) Risk Modeling.
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