1. Difference between precision and recall ? 2. What does the ROC-AUC curve tell you ? 3. Difference between modeling techniques, how is one better than the other?
Associate Data Scientist Interview Questions
500 associate data scientist interview questions shared by candidates
Presented with scenario X, “which method is being applied?” Not expected to recite definitions, but can you identify which is appropriate and why did you choose it? Can you communicate that?
Case study of transportation metrics, adding service in Astoria, Queens. all the same ones you've seen on here
Cognify: Game-based assessment. You have to play 5 types of games which generally takes about 30 min to complete. Hackerrank Assessment: Was given 2 questions to solve with a total time of 3 hours but they generally expect you to solve it within 2 hours. 1st question was an SQL query for a telephone billing company, where you had to fetch the name of client with his/her incoming minutes, outgoing minutes and total charges based on some formula. 2nd question was a Python program asking to perform some statistical operations to be performed on a dataset involving combinations.
Tell me about a time when you changed someone's mind
It was mostly SQL questions on joins and windowing functions
Puzzle - Burning rope from both ends
Why do you want to work at PWC?
About myself
How you decide which string comparison method will work best for you. A in depth discussion of one of your project.
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