what is linear regression ? SQL and Python
Sr Data Scientist Interview Questions
3,376 sr data scientist interview questions shared by candidates
Walkthrough of some past projects, SQL questions involving WHERE, ORDER BY, and ROWNUM statements.
¿Qué técnicas de análisis de datos conoces y has usado? ¿Podrias explicar cómo has usado estas técnicas en algun caso en particular?
Given Sample data with multiple tables: Queries to find out Highest earning employees, Rank/Dense rank based questions Join using python and find the top earning employee Difficulty - Easy to Average
What did you do before?
Basic python knowledge Asked about coding in a real-time environment Asked about my current work
What are some strategies for preventing overfitting when using a tree-based model?
Mainly asked about my past projects work in details with follow up questions about various aspects of data science and machine learning.
self introduction logical question home assignment (PCA based anomaly detection)
Some questions about architecture regarding Databricks and pros and cons about that. Basic questions about ML algos (linear regression KNN etc...) Some behavioural questions which are kind of common in corporate world specially about dealing with multiple teams, alignment, how to collaborate in big setups etc...
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