Infosys Data Scientist interview questions

Explain XGBoost Algorithm In the XGBoost you have 10-20 features how will it split features and calculate further ? Worked on any cloud platform what is Entropy what is Information Gain Hypothesis Testing When to use precision and recall What is Gradient Descent what is Data Imbalance What is SMOTE Worked on Time Series Tell me something about yourself Why are you seraching job in India Tell me about your recent project Which performance metrics have you used in your project Code analysis of Global variable in python write query to find 5th largest salary in every department Difference between union and union all Difference between Delete and Truncate What are window functions

Binary search trees and data structures o