Q: What are the assumptions of linear regression Q: N people handshake probability problem
Senior Data Analyst Interview Questions
2,903 senior data analyst interview questions shared by candidates
Y PCA, what’s SMOTE and other techniques to fix data imbalance , feature selection techniques
Scaling , model evaluation, parameters tuning
Different imputation techniques, to handle skewed data, to fix outliers
Write a program to get the second highest salary from employees tale without using Rank function.
What happens if one tries to modify a tuple in python ?
1. tell me about a workplace conflict and how did you handle this? 2. Not specific: how would you create a query and what tables/columns would you expect to use
Which BI tools have you used, and what are their good and bad sides? Define OLTP and OLAP. What is the difference? What are their purposes? Name some benefits of data denormalization.
Do you follow sports?
How can you calculate churn? How does fixed effects work?
Viewing 2401 - 2410 interview questions