Magoosh GRE Blog

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

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.

LearnPython.org

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

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.

Stack Overflow - R Tag

A huge developer community answering detailed questions about R, packages, and applied statistics.

FreeCodeCamp - Data Analysis with Python

Full curriculum teaching Python for data analysis, including Pandas, NumPy, data cleaning, and visualization, with projects.

W3Schools Python

Step-by-step interactive lessons for Python basics, data structures, and functions, with hands-on coding snippets.

Guy in a Cube (YouTube)

Popular YouTube channel run by Microsoft employees, offering weekly tutorials, best practices, and troubleshooting tips for Power BI.

Mode SQL Tutorial

Practical SQL lessons taught in-browser, with real-world datasets and instant feedback for analysts.

Python.org Official Tutorial

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

edX - Data Analysis for Life Sciences

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

Build a Large Language Model from Scratch

Charanpal Dhanjal

A hands-on guide to constructing your own LLM using modern machine learning techniques

Kaggle Learn Python

Hands-on mini-courses for Python and data science, with notebooks you can run in the browser for immediate practice.

Kaggle Learn R

Hands-on mini-courses for R programming, data visualization, and machine learning with interactive notebooks in the browser.

Power BI Guided Learning (Microsoft)

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

MySQL Tutorial

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

LeetCode SQL Problems

Collection of SQL coding challenges to practice writing queries, often used in interview preparation.

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.

OpenIntro Statistics

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

Tableau Public Resources

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