CNA ? Gaming & Integration Program
Designs, facilitates, and analyzes sponsor-focused wargames for DoD and government decision-makers.
Kaplan GRE Free Resources
Free practice tests, sample questions, and study materials from Kaplan.
PAXsims (Conflict Simulation & Wargaming)
Long-running blog on serious games and wargaming for policy, education, and analysis with news, methods, and reviews.
Designing Machine Learning Systems
Chip Huyen
A practical blueprint for building production-ready ML systems with scalability and reliability
Springboard Data Analytics Curriculum (Free Prep)
Introductory lessons and exercises to build foundation skills in Excel, SQL, and data storytelling.
MySQL Tutorial
Extensive resource for learning MySQL with examples, from installation and schema design to joins and triggers.
Coursera - R Programming (Audit Free)
Johns Hopkins University?s R Programming course (part of the Data Science Specialization), free in audit mode with videos and quizzes.
edX - Data Analysis for Life Sciences
Harvard's free online courses teaching statistics, inference, modeling, and machine learning in the context of data science.
3Blue1Brown (YouTube)
Visual, intuitive explanations of advanced concepts like linear algebra, calculus, Fourier transforms, and neural networks using stunning animations.
LeetCode SQL Problems
Collection of SQL coding challenges to practice writing queries, often used in interview preparation.
CrunchPrep GRE Blog
Guides and strategies for GRE preparation including word lists, essay templates, and quantitative shortcuts.
FreeCodeCamp - Data Analysis with Python
Full curriculum teaching Python for data analysis, including Pandas, NumPy, data cleaning, and visualization, with projects.
Why Machines Learn
Anil Ananthaswamy
A deep dive into the elegant mathematical principles behind machine learning
CS50?s Introduction to Python
Harvard?s free course introducing programming using Python, with video lectures, notes, and problem sets.
Python.org Official Tutorial
The official Python tutorial covering core concepts, syntax, and standard library basics directly from the maintainers.
Guy in a Cube (YouTube)
Popular YouTube channel run by Microsoft employees, offering weekly tutorials, best practices, and troubleshooting tips for Power BI.
Art of Problem Solving (AoPS) Online Resources
Challenging problems, explanations, and articles designed for advanced high school and college-level students interested in problem solving and Olympiad-style math.
Khan Academy - Advanced Math
Free structured lessons with videos and practice exercises covering algebra, calculus, statistics, linear algebra, and differential equations.