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Learning links
10 September 2025
PowerBI
Power BI Community

Official Power BI community forum where users can ask questions, share solutions, and browse a large knowledge base of solved problems.

GRE Prep
CrunchPrep GRE Blog

Guides and strategies for GRE preparation including word lists, essay templates, and quantitative shortcuts.

Wargaming
Naval War College ? Wargaming Department

Department page describing applied gaming, methods, and how wargaming supports leadership education and analysis.

Python
LearnPython.org

Interactive, browser-based Python tutorials ranging from basic syntax to advanced modules.

R
ModernDive: Statistical Inference via Data Science

Free online textbook teaching statistical inference and regression using R and tidyverse methods.

PowerBI
Power BI Guided Learning (Microsoft)

Step-by-step tutorials directly from Microsoft, teaching data connection, modeling, visualization, and publishing dashboards.

Wargaming
Marine Corps University Press ? Wargaming Topic

Curated publications on wargaming theory and practice relevant to military education and planning.

Databases & SQL
PostgreSQL Tutorial

Free tutorials covering PostgreSQL features, SQL basics, stored procedures, and advanced database functions.

General Learning
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.

Data Analytics
OpenIntro Statistics

Free, open-source statistics textbook with R labs and applied data analysis examples.

GRE Prep
Magoosh GRE Blog

Hundreds of free articles, study guides, vocabulary lists, and strategies for GRE verbal, quant, and writing.

Wargaming
CNA ? Gaming & Integration Program

Designs, facilitates, and analyzes sponsor-focused wargames for DoD and government decision-makers.

Books
Why Machines Learn

Anil Ananthaswamy

A deep dive into the elegant mathematical principles behind machine learning

Python
Python.org Official Tutorial

The official Python tutorial covering core concepts, syntax, and standard library basics directly from the maintainers.

R
Swirl: Learn R in R

An interactive R package that teaches R programming and data science concepts directly inside the R console.

PowerBI
Kasper On BI

Blog by a Microsoft program manager sharing deep-dive explanations of Power BI features and integrations with Azure and Excel.

Data Analytics
OpenLearn - Learn to Code for Data Analysis

Free Open University course introducing Python programming in the context of data analysis.

PowerBI
EDX ? Analyzing and Visualizing Data with Power BI (Audit Free)

University of Illinois & Microsoft course teaching Power BI for analytics and reporting, free in audit mode.

Python
GeeksforGeeks Python Programming

Extensive collection of Python tutorials, code snippets, and explanations for basic to advanced topics, including algorithms.

Data Analytics
Google Data Analytics Certificate (Audit Free)

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