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
How to Make a Boxplot with Matplotlib
Drawing a boxplot in Matplotlib is a valuable skill for visualizing data distribution. You’ll get all the fundamentals and a real-world example in this article.
Nathan Rosidi - October 17, 2025
How to Use Python’s Sleep Function
Learning how the Python sleep function works and how to apply it for timing control, automation, and data processing tasks
Nathan Rosidi - October 14, 2025
Best Practices for R Continuous Integration
Implementing Continuous Integration in R: Automate Tests, Detect Errors Early, and Keep Your Analysis Consistent
Nathan Rosidi - October 7, 2025
How to Remove an Element from a List in Python
Different Ways to Remove Items from Python Lists with Practical Examples
Nathan Rosidi - October 3, 2025
Career
All Career articles
The Biggest Lie in Data Science: 'You Need to Build an App'
Most data scientists don’t need to build web apps. But if you must, this no-BS guide breaks down which frameworks actually make sense (and which don't).
Nathan Rosidi - July 16, 2025
How We Oversaturated the Data Science Job Market
You thought you’d develop ML models and earn serious money. Instead, you’re still looking for a data science job four years later. We’ll look at why it’s like that and what you can do.
Nathan Rosidi - May 27, 2025
Why Your ML Job Feels Like a Lie (And What To Do About It)
Nathan Rosidi - May 2, 2025
Interviews
All Interviews articlesHow to Make a Boxplot with Matplotlib
Drawing a boxplot in Matplotlib is a valuable skill for visualizing data distribution. You’ll get all the fundamentals and a real-world example in this article.
Nathan Rosidi - October 17, 2025
How to Use Python’s Sleep Function
Learning how the Python sleep function works and how to apply it for timing control, automation, and data processing tasks
Nathan Rosidi - October 14, 2025
Exploring NumPy where() in Python for Conditional Operations
Nathan Rosidi - September 17, 2025
Guides
All Guides articlesHow to Make a Boxplot with Matplotlib
Drawing a boxplot in Matplotlib is a valuable skill for visualizing data distribution. You’ll get all the fundamentals and a real-world example in this article.
Nathan Rosidi - October 17, 2025
How to Use Python’s Sleep Function
Learning how the Python sleep function works and how to apply it for timing control, automation, and data processing tasks
Nathan Rosidi - October 14, 2025
Companies
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 Engineers
Nathan 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, 2023
LinkedIn Data Scientist Interview Questions
Nathan Rosidi - October 30, 2023
40+ Data Science Interview Questions From Top Companies
Nathan Rosidi - October 30, 2023
Become a data expert. Subscribe to our newsletter.