Why did you choose to use a training and test set instead of k-fold validation?
Sr Data Scientist Interview Questions
3,367 sr data scientist interview questions shared by candidates
If a client were to ask you to create a model to predict a health condition, how would go about providing a solution?
Can you help us run a clinical trial with the Mayo Clinic
Q: Why did you apply for this role at Urbint?
Write down a function that received 1- s: string 2- k: int and returns the top k most frequent words in the string.
- Questions about p-values (what are they, what is 0.05, what happens when the magnitudes being compared or the sample sizes change) - SQL query calculating an average among several constraints and requiring a join between two tables - Case study probing product sense
How do you prevent overfitting and complexity of a model? How do you measure and compare models? How should we approach to attribution modeling to measure marketing efffectiveness?
I was asked about my model approach for Recommendation Engine
What is your experience there was nothing specific or smart question
Mostly describe what you did. Interviewer didn’t ask any data science questions
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