Microsoft Learn ? Power BI

Official Microsoft Learn platform with guided, hands-on modules for Power BI, covering everything from basics to advanced analytics.

Mode Analytics SQL & Analytics Tutorials

Hands-on tutorials that blend SQL queries with practical data analysis tasks for business analysts.

Nexus: A Brief History of Information Networks

Brian Christian

A sweeping narrative on the evolution and impact of global information networks

MySQL Tutorial

Extensive resource for learning MySQL with examples, from installation and schema design to joins and triggers.

UK Fight Club (Professional Wargaming Network)

Community that promotes professional military wargaming and simulation activities across UK defense.

SQLBolt

Step-by-step interactive tutorials and exercises for learning SQL basics and querying relational databases.

Udemy

Udemy is a global learning platform offering self-paced courses in analytics, statistics, and decision modeling?ideal for those pursuing or preparing for a U.S. Army ORSA role.

Quick-R (StatMethods)

Practical R tutorials focused on statistics, graphics, and data analysis, written in a straightforward, example-driven style.

3Blue1Brown (YouTube)

Visual, intuitive explanations of advanced concepts like linear algebra, calculus, Fourier transforms, and neural networks using stunning animations.

DataCamp

DataCamp is an online learning platform that specializes in data science, analytics, and artificial intelligence, offering interactive courses in Python, SQL, R, and other key technologies. Learners can build practical skills through hands-on coding exercises, real-world projects, and guided career tracks?all accessible from a browser at their own pace.

Google Data Analytics Certificate (Audit Free)

Comprehensive beginner-to-intermediate program covering spreadsheets, SQL, R, visualization, and analytics workflows; free in audit mode.

Programiz Python

Beginner-friendly tutorials covering Python basics, data structures, object-oriented programming, and standard libraries.

Naval War College ? Research & Wargaming

Institutional hub for naval and joint wargaming?education, research collaborations, and sponsor-driven games.

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.

Coursera

Offers beginner-friendly courses from top institutions like IBM and Duke. You can audit many courses for free, including topics like Excel, SQL, Python, and data visualization.

Khan Academy - Intro to SQL

Beginner-friendly course teaching SQL fundamentals with practice problems and video explanations.

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.

Microsoft Learn - Data Analysis

Free learning paths covering data analysis basics and Power BI dashboards directly from Microsoft.

Tableau Public Resources

Free resources and tutorials for using Tableau to create interactive visualizations and dashboards.

IBM Data Analyst Professional Certificate (Audit Free)

Covers data analysis with Excel, SQL, Python, and data visualization tools, including projects and case studies; free in audit mode.