What is regression . classification
Sr Data Scientist Interview Questions
3,383 sr data scientist interview questions shared by candidates
For a regression, under which assumptions MSE and log-likelihood are proportional?
What are the cases or dataset where k- means will give wrong clusters
How would you predict sales of a product (They need to buy tickets for certain travel agencies and over buying or underbuying will cause them loss)
Questions on core statistics, ML, DL, LLMs, etc
I received a take-home assignment.
how you feel about mathematics behind LLM?
1. how to create lagged features in order to avoid data leakage 2. If we pick single tree from DT, RF, XGB - how will the bias variance look like 3. TF-IDF 4. Weakness , how would manager define you
Round 1: The questions were SQL join conceptual and small implementation question followed by pandas questions to manipulate dataframe and calculate rolling average of lags.
Typical questions about motivation, interests, and experience.
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