I received a take-home assignment.
Sr Data Scientist Interview Questions
3,505 sr data scientist interview questions shared by candidates
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.
what is p value for a business person
Basic Retention Rate question. Cumulative sum (Apparently unbounded preceding and current row won't work???)
Tech Screen: SQL Virtual Onsite: SQL, Case Study, Hiring Manager (More technical than usual - Experimentation techniques, Statistics, Asked about machine learning), Stakeholder conversation/ case study
Como reaccionas a la frustracion de no tener buenos datos
Have you ever managed a budget?
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