Interview Questions

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Jan 3, 2026

Top Python Libraries for Data Visualization

Popular Python Data Visualization Tools These tools help you convert data into clear, attractive, and meaningful...

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Jan 3, 2026

Top Data Science Interview Questions with Answers: Part-5

41. What are hyperparameters?   Hyperparameters are external configurations of a model set before training (unlike...

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Jan 2, 2026

Top Data Science Interview Questions with Answers: Part-4

31. What is Decision Tree vs Random Forest?   •⁠  ⁠Decision Tree is a single tree...

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Jan 2, 2026

Top Data Science Interview Questions with Answers: Part-3

21. Difference between PCA and LDA   •⁠  ⁠PCA (Principal Component Analysis):     Unsupervised technique...

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Jan 2, 2026

Top Data Science Interview Questions with Answers: Part-2

11. Explain Type I and Type II errors   Type I Error (False Positive): Rejecting a...

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Dec 23, 2025

Top Data Science Interview Questions with Answers: Part-1

1. What is data science?   Data science is an interdisciplinary field that uses statistics, computer...

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Dec 23, 2025

Top Power BI Interview Questions with Answers – Part 4

31. What are tooltips in Power BI?   Tooltips are small popups that appear when you...

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Dec 22, 2025

Top Power BI Interview Questions with Answers: Part-3

21. What are custom visuals in Power BI?  Custom visuals are user-created or third-party visuals beyond...

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Dec 21, 2025

Top Power BI Interview Questions with Answers: Part-2

11. What is a dashboard vs a report? Report: A multi-page, detailed view of your data...

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Dec 20, 2025

Top Power BI Interview Questions with Answers: Part-1

1️⃣ What is Power BI?Power BI is a business analytics tool by Microsoft that allows users...

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