Code example with fiverr data of sellers and buyers. I asked to give the distribution of number f sellers with 1 service for sail, 2 services for sail, etc.
Data Scientist Senior Interview Questions
3,368 data scientist senior interview questions shared by candidates
What is your favorite ML algorithm?
Do you know about Regression and Classification problems? *If you are interviewing for senior data science position, is this your level of question?
How do you evaluate the model performance? Which metric will you pick?
I was asked to code a left join in Python.
Erzähl mal von einem Datenprojekt, gerne aus deiner freiberuflichen Phase, welches du umgesetzt hast und was auf Probleme du stießt bzw. welche Methoden du verwendet hast.
How would I expand the product palette?
I got a standard coding exercise in pandas, using "groupby" and "apply".
What are sources of bias in A/B testing? How do you ensure A/B tests are not biased?
Talk about your past project?
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