Kaggle Learn - Data Analysis
Hands-on mini-courses for Python, R, SQL, and visualization with Jupyter notebooks that run directly in the browser.
Kaplan GRE Free Resources
Free practice tests, sample questions, and study materials from Kaplan.
UC Berkeley Data 8 (Foundations of Data Science)
Introductory data science/analytics course using Python; includes lectures, labs, and exercises for free online.
Saylor Academy - Mathematics
Free, full-length math courses (Linear Algebra, Abstract Algebra, Real Analysis, etc.) with exams and certificates.
Mode Analytics SQL & Analytics Tutorials
Hands-on tutorials that blend SQL queries with practical data analysis tasks for business analysts.
MOOC.fi - Introduction to Data Analysis with Python
Free course from University of Helsinki teaching data analysis workflows with Python and Pandas.
Marine Corps Warfighting Lab ? Wargaming Division
USMC wargaming division supporting concept development and force design through iterative gaming and analysis.
Manhattan Prep GRE Resources
Free GRE study materials, strategy guides, and practice question sets.
SQLite Tutorial
Focused tutorials on SQLite, covering SQL basics, database management, and practical coding examples.
OpenLearn - Learn to Code for Data Analysis
Free Open University course introducing Python programming in the context of data analysis.
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.
Automate the Boring Stuff with Python
A free online book teaching Python through practical examples like automating tasks, web scraping, and file management.
Khan Academy - Advanced Math
Free structured lessons with videos and practice exercises covering algebra, calculus, statistics, linear algebra, and differential equations.
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.
OpenIntro Statistics
Free, open-source statistics textbook with R labs and applied data analysis examples.
The Carpentries - Data Carpentry
Community-driven lessons for researchers covering data organization, cleaning, visualization, and analysis in R, Python, and SQL.
Harvard Business School Online - Data Science Ready (Free Modules)
Intro modules teaching how analytics applies to business decisions, tailored for managers and analysts.
W3Schools Python
Step-by-step interactive lessons for Python basics, data structures, and functions, with hands-on coding snippets.
The Coming Wave
Mustafa Suleyman
A visionary look at how emerging technologies will reshape the 21st century