Naval War College ? Research & Wargaming
Institutional hub for naval and joint wargaming?education, research collaborations, and sponsor-driven games.
LeetCode SQL Problems
Collection of SQL coding challenges to practice writing queries, often used in interview preparation.
Coursera - Math for Machine Learning (Audit Free)
University of London courses on linear algebra, multivariate calculus, and statistics for machine learning, available free in audit mode.
Build a Large Language Model from Scratch
Charanpal Dhanjal
A hands-on guide to constructing your own LLM using modern machine learning techniques
PAXsims (Conflict Simulation & Wargaming)
Long-running blog on serious games and wargaming for policy, education, and analysis with news, methods, and reviews.
Princeton Review GRE Practice
Free practice test access, strategy sessions, and sample GRE questions.
Kaggle Learn R
Hands-on mini-courses for R programming, data visualization, and machine learning with interactive notebooks in the browser.
Manhattan Review Free GRE Resources
Free practice problems, diagnostic tests, and study tips from test prep experts.
Marine Corps University Press ? Wargaming Topic
Curated publications on wargaming theory and practice relevant to military education and planning.
CRAN R Project Documentation
Official manuals, FAQs, and reference documentation for the R language from the Comprehensive R Archive Network.
Mode SQL Tutorial
Practical SQL lessons taught in-browser, with real-world datasets and instant feedback for analysts.
Programiz Python
Beginner-friendly tutorials covering Python basics, data structures, object-oriented programming, and standard libraries.
DataCamp (Free R Tutorials)
While DataCamp is subscription-based, it offers free introductory R courses covering basics, data manipulation, and visualization.
Python.org Official Tutorial
The official Python tutorial covering core concepts, syntax, and standard library basics directly from the maintainers.
CNA ? Gaming & Integration Program
Designs, facilitates, and analyzes sponsor-focused wargames for DoD and government decision-makers.
PostgreSQL Tutorial
Free tutorials covering PostgreSQL features, SQL basics, stored procedures, and advanced database functions.
DataCamp Free Courses
Free beginner-friendly courses in data analysis with Python, R, and SQL; includes guided projects.
Paul?s Online Math Notes
Comprehensive lecture notes, examples, and problem sets on calculus, differential equations, algebra, and more, written in an accessible format.
Google Data Analytics Certificate (Audit Free)
Comprehensive beginner-to-intermediate program covering spreadsheets, SQL, R, visualization, and analytics workflows; free in audit mode.