Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Guides
7 Magic Methods That Will Turn You Into a Python Wizard
Unlock the power of Python magic methods to level up your programming skills. From the basic __init__to the advanced __getitem__.
Nathan Rosidi -
From Data Collection to Model Deployment: 6 Stages of Data Science Project
You need to stand out from the thousands of your data science peers. Here’s how to use the six stages of the data science projects to do that.Nathan Rosidi -
AI Interview Questions: A Guide to Crafting Winning Answers
Master the AI Job Interview: Coding, Theoretical, and Scenario-Based Questions UncoveredNathan Rosidi -
How To Use LeetCode For Data Science SQL Interviews
Is LeetCode built for data science interview preparation? Let’s find out!Nathan Rosidi -
The Ultimate Guide to Become a Data Scientist at Google
It’s no joke to become a data scientist at Google. Their job requirements include minimum of a masters degree, work experience, statistical & database language.
Zulie Rane -
Advanced SQL Concepts to Improve Your and Code’s Performance
In this article, we’ll discuss advanced SQL concepts and their use cases. Then we’ll use them to answer interview questions from reputable employers.
Irakli Tchigladze -
How to Simplify Complex SQL Queries (With Examples)
In this article, we’ll discuss various ways to simplify complex SQL queries and apply these tips to answer difficult SQL interview questions.Irakli Tchigladze -
Real-World AI Projects That Will Change The Future
List of top AI projects that can be applied to the problems of the real world for a wide range of Data Scientists, from beginners to experts.Nathan Rosidi -
SQL Scenario Based Interview Questions and Answers
SQL scenario based interview questions to learn how to wrangle date time fields for Facebook data science interviews.
Sara Nobrega -
30+ Project Ideas to Showcase Your Machine Learning Skills
Here are 30+ machine learning project ideas ideal for showcasing and honing your ML skills. There’s something for everyone, from beginners to advanced levels.Nathan Rosidi -
Joining Multiple Tables in SQL - Examples and Walkthrough
We’ll show you how to use JOINs to join multiple tables in SQL and how choosing a specific type of JOIN can change the outcome of the query.Irakli Tchigladze -
Top 18 Python Libraries A Data Scientist Should Know in 2023
Maximize your data science potential with the top 18 python libraries every data scientist should know in 2023, from NumPy to PyTorch and with subsections.Nathan Rosidi -