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Data Scientist Senior Interview Questions
3,389 data scientist senior interview questions shared by candidates
An ML/analysis challenge where the goal was to predict ETA.
1. How would you decrease the chance of a false positive (type 1 error) in a hypothesis testing framework? 2. All ids appear in table_2. But table_1 has missing ids. Write a SQL query to find all missing ids. 3. Using only table1 find all missing ids. Assuming ids are a complete sequence from 10001:11000 and no repeating ids.
You're building a presentation based on someone else's general EDA. Which of these graphs/metrics would you include?
More about ML algorithms like KNN, Random forest, DT, Neural net, Reinforcement Learning, cloud related questions like AWS s3, Databricks etc.
whats your favorite ml model
1. What was your last company developing? 2. Share more details about the company's confidential information than about the projects..
What is pruning?
How have you dealt with stressful situations on the job in the past?
Take home challenge - they focus on delivery time, rigor of solution and beating a given score. On site - was as described, took about 3 hours and at the end had to present the approach, results and answer questions related to them.
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