Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Latest blog posts
All articles
Introduction to Polars: Everything You Must Know?
Explore how Polars surpasses Pandas in speed and efficiency with a step-by-step breakdown of a real Visa interview question on calculating customer density
Nathan Rosidi - March 1, 2025
How to Customize Matplotlib Colors for Better Plots?
Customizing Matplotlib colors is more than just choosing your favorite color for a plot. Colors play a crucial role in communicating your data’s message.
Nathan Rosidi - February 24, 2025
Getting Started with PlotlyJS: A Beginner's Guide
Learn how to create interactive charts with PlotlyJS in JavaScript—no setup needed, just code directly in your browser.
Nathan Rosidi - February 12, 2025
ML Interviews are Ridiculous And All Over the Place
If you think ML interviews have become crazy lately, you’re not imagining it. They are ridiculous, and we’ll examine why in this ranty article.
Nathan Rosidi - February 6, 2025Career
All Career articles
Biases When Hiring For Data Science Roles
What are the biases data scientists face in hiring? These biases are sneaky, so you should know how to handle them both as a candidate and a hiring manager.Nathan Rosidi - December 26, 2024
Dating Your Data Science Team: Red & Green Flags to Watch For
How do you find a perfect data team for yourself? What to look for and what to avoid in your search? Heed these red and green flags to keep you on the right track.Nathan Rosidi - December 12, 2024Impress Recruiters With These Data Science Projects
Nathan Rosidi - October 28, 2024Data Science Degrees vs. Certification Courses: Which is Right for You?
Nathan Rosidi - August 28, 2024What are the Fundamentals of Data Engineering?
Nathan Rosidi - August 27, 2024Interviews
All Interviews articlesIntroduction to Polars: Everything You Must Know?
Explore how Polars surpasses Pandas in speed and efficiency with a step-by-step breakdown of a real Visa interview question on calculating customer densityNathan Rosidi - March 1, 2025How to Customize Matplotlib Colors for Better Plots?
Customizing Matplotlib colors is more than just choosing your favorite color for a plot. Colors play a crucial role in communicating your data’s message.Nathan Rosidi - February 24, 2025Getting Started with PlotlyJS: A Beginner's Guide
Nathan Rosidi - February 12, 2025ML Interviews are Ridiculous And All Over the Place
Nathan Rosidi - February 6, 2025Data Structures and Algorithms in Python for Beginners
Nathan Rosidi - January 29, 2025Guides
All Guides articlesIntroduction to Polars: Everything You Must Know?
Explore how Polars surpasses Pandas in speed and efficiency with a step-by-step breakdown of a real Visa interview question on calculating customer densityNathan Rosidi - March 1, 2025How to Customize Matplotlib Colors for Better Plots?
Customizing Matplotlib colors is more than just choosing your favorite color for a plot. Colors play a crucial role in communicating your data’s message.Nathan Rosidi - February 24, 2025Getting Started with PlotlyJS: A Beginner's Guide
Nathan Rosidi - February 12, 2025Data Structures and Algorithms in Python for Beginners
Nathan Rosidi - January 29, 20253D Plot using Plotly (with Examples)
Nathan Rosidi - January 20, 2025Companies
All Companies articles
What Does It Take to Be a Data Engineer at Google
Journeying through Skills, Perks, and Application Insights for Aspiring Google Data EngineersNathan Rosidi - May 23, 2024
Microsoft SQL Interview Questions
We'll discuss one of the interesting Microsoft SQL interview questions to help prepare you for applying for a role as a Microsoft data scientist.Nathan Rosidi - October 30, 2023LinkedIn Data Scientist Interview Questions
Nathan Rosidi - October 30, 202340+ Data Science Interview Questions From Top Companies
Nathan Rosidi - October 30, 2023Amazon Data Scientist Salary
Nathan Rosidi - October 26, 2023