Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
HackerRank for Data Science
Let's find out if HackerRank coding challenges and their practice questions can help you prepare for your data science interview.
Nathan Rosidi -
Amazon Data Scientist Salary
An in-depth exploration into Amazon data scientist salary, the impact of experience, location, and role, and drawing comparisons with other FAANG counterparts.Nathan Rosidi -
The Ultimate Guide to SQL Window Functions
This is a complete overview of the SQL window functions. Learn everything you need to know about them to excel at your job interview and an actual job.
Tihomir Babic -
SQL CTEs: Usage, Advantages, and Drawbacks
All about SQL CTEs or Common Table Expressions, their types, and usage. We will also discuss the advantages and disadvantages of using them in your SQL queries.Nathan Rosidi -
A Beginner’s Guide to Collinearity: What it is and How it affects our regression model
What is Collinearity? How does it affect our model? How can we handle it?Nathan Rosidi -
Basic Types of Statistical Tests in Data Science
Navigating the World of Statistical Tests: A Beginner’s Comprehensive Guide to the Most Popular Types of Statistical Tests in Data ScienceNathan Rosidi -
Best Alternatives to LeetCode For Data Science
This list of LeetCode alternatives focuses on 6 best and more niche platforms to hone your skills on data science, specifically focusing on SQL and Python.Nathan Rosidi -
Data Architect Interview Questions You Should Be Prepared to Answer
A deep dive into conquering data architect interview questions: an in-depth exploration and strategic preparation guide for aspiring data architects.Nathan Rosidi -
How to Join 3 or More Tables in SQL
Here we’re going to talk about using a commonly required SQL concept - how to join 3 or more tables in SQL.Nathan Rosidi -
A Comprehensive Statistics Cheat Sheet for Data Science Interviews
The statistics cheat sheet overviews the most important terms and equations in statistics and probability. You’ll need all of them in your data science career.Nathan Rosidi -
An Introduction to the SQL Rank Functions
This introduction covers two of the most common SQL Rank Functions, their differences, and how to use them.Nathan Rosidi -
The Ultimate Guide to SQL Aggregate Functions
Aggregate Functions in SQL is the main tool for data aggregation and one of the most common topics when working with data.Nathan Rosidi -