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.
Data Science Specialist Interview Questions
40,253 data science specialist interview questions shared by candidates
- A Bays textbook example (fair and unfair coins) - Some python simple algorithm codes and calculating the complexity of the method - Some ML questions about different methods and how the learning happens and objective functions ....
Nothing was unexpected
Explain Python.
They asked me how I would model the waiting time for a local restaurant and what possible statistical models and strategies I could bring to bear on the problem.
Python question: Given list of numbers -1, 1, -2, 2, -5, 5, 0,0 Wanted to know how to match the numbers that sum to zero and walked through it
Tell me about a time when an analysis was used in an unexpected way.
No questions as the interview did not proceed beyond the coding test and as a result of not attempting the coding test the interview was stopped.
Why do you want to leave your current company?
Behavioral question: Give an example on one of Convoy's core values "Challenge Ideas, Respect Decisions".
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