Technical case interview which is a mix of modelling skills + classical case interview structure
Datenwissenschaftler Manager Interview Questions
36,085 datenwissenschaftler manager interview questions shared by candidates
Asked coding and data flow questions. The interviewers were friendly, but the questions were more centered on computer science than I expected. There were no social or general case study type questions.
The data challenge is pretty standard, give you a data set and let you build a predictive model and put together some insights. Phone and onsite interviews are all technical interviews. Some statistics (sampling, hypothesis testing, power calculation, etc.), some product sense (whether to launch some features, why some metric changed, etc.), also a CS-like question.
How many colors do you need to paint a graph that is built from a union of two trees?
behavioral questions about location and fit
How would you correlate each device a person visits the website with back to that person?
If you had 1000 factors for a ML model, how would you go about reducing this and how would you know when to stop. reducing
Two random variables have a uniform distribution between 0 and 1. What will be the expected value of the difference of these variables?
What is maximum likelihood estimation?
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