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Learning links
10 September 2025
Data Analytics
The Carpentries - Data Carpentry

Community-driven lessons for researchers covering data organization, cleaning, visualization, and analysis in R, Python, and SQL.

Data Analytics
edX - Data Analysis for Life Sciences

Harvard's free online courses teaching statistics, inference, modeling, and machine learning in the context of data science.

Books
The AI-Driven Leader

Erik R. Peterson

A guide to leveraging AI for smarter decision-making and leadership strategies

General Learning
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.

Math
Saylor Academy - Mathematics

Free, full-length math courses (Linear Algebra, Abstract Algebra, Real Analysis, etc.) with exams and certificates.

GRE Prep
Princeton Review GRE Practice

Free practice test access, strategy sessions, and sample GRE questions.

Databases & SQL
SQLite Tutorial

Focused tutorials on SQLite, covering SQL basics, database management, and practical coding examples.

GRE Prep
Manhattan Review Free GRE Resources

Free practice problems, diagnostic tests, and study tips from test prep experts.

Wargaming
CNA ? Gaming & Integration Program

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

R
DataCamp (Free R Tutorials)

While DataCamp is subscription-based, it offers free introductory R courses covering basics, data manipulation, and visualization.

Math
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.

Data Analytics
UC Berkeley Data 8 (Foundations of Data Science)

Introductory data science/analytics course using Python; includes lectures, labs, and exercises for free online.

GRE Prep
ETS GRE Official Prep

Free official materials from ETS including practice questions, POWERPREP online practice tests, and test-taker tips.

Math
Math StackExchange

A global community where advanced math students and professionals ask and answer detailed mathematics questions, from abstract algebra to applied math.

Wargaming
PAXsims (Conflict Simulation & Wargaming)

Long-running blog on serious games and wargaming for policy, education, and analysis with news, methods, and reviews.

R
Swirl: Learn R in R

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

Math
3Blue1Brown (YouTube)

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

Math
Alison

Free online courses from the world?s leading experts. Join 20 million learners today.

Math
Paul?s Online Math Notes

Comprehensive lecture notes, examples, and problem sets on calculus, differential equations, algebra, and more, written in an accessible format.

PowerBI
Power BI Guided Learning (Microsoft)

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