What is Bias and Variance, their relationship with over and underfitting?
Data Science Interview Questions
10,891 data science interview questions shared by candidates
Tell me about your most challenging project
What is Marketing Mix? What are the main components in a MMix project? What is the difference between Lasso Vs Ridge Vs Linear Regression
1. Questions based on previous work experience
3. How good am I with team building and teamwork
Fundamentals of Data Science, Machine learning models.
Some case study questions and behavioral questions.
What is your greatest strength?
First two rounds: CNN, Transfer Learning, Bagging, Boosting and project related questions. I was given a task of implementing some techniques to improve the classification accuracy of a product classification model. Rest of the rounds: Data Structures, Algorithms and basics of distributed systems.
jkk 1. What is linear regression? Explain steps for modelling 2. What do you mean by R square and adjusted R square? 3. What is logistic regression? Explain steps for modelling 4. Forecasting methods like time series, ARIMA etc. 5. Basics of Tableau 6. Basic SQL queries 7. libraries of python and basic coding skills (hardly any questions related to this are asked) 8. Any analytics projects you have worked on or competitions you have participated in?
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