Tell me about a time when you have had to optimise code
Data Scientist Trainee Interview Questions
33,975 data scientist trainee interview questions shared by candidates
Present a past DS project that you have led, and follow up questions on why certain approach was chosen vs others. Standard SQL querying (with joins, ranking, etc.) Self reflection of strengths and growth areas.
How to calculate variable importance in random forest?
Machine learning, Statistics, Probability
Avez-vous un intérêt spécifique pour le secteur du retail ?
DS Hard Skills Case Study: Walk through a specific product analytic case study. Testing analytic methodology, hypothesis generation, experimentation basics.
How can you act upon new challenges
Comment vous y prenez-vous si un nouvel utilisateur Netflix sur le quel on à pas d'historique pour lui faire des recommandations de films ?
f(x) = ax + by; a, b are real. S = {(x, y} \in R^2| x+y=2, x>=0, y>=0}. Choose the correct option.
Why are leaving your other job.
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