Master the essentials of data visualization and reporting in R. Learn to create compelling graphics, perform exploratory data analysis, and communicate insights effectively using R's powerful tools.

Gain a clear understanding of the principles, standards, and legal frameworks that make the web accessible to all users. Explore global guidelines like WCAG and WAI ARIA, learn how assistive technologies interpret digital content, and identify common barriers that affect real users. Build the skills needed to evaluate and improve accessibility, creating digital experiences that are inclusive, compliant, and usable across diverse contexts.

Master the essential data structures in R, including lists, data frames, and factors. Learn how to create, manipulate, and analyze data using R's powerful tools, with engaging explanations and real-world challenges designed for beginners.

Master the power of Java enums for type-safe, expressive, and maintainable code. This course explores enums from the basics to advanced usage, including methods, fields, and best practices.

Master the modular structure that powers every Node.js project. Work with CommonJS and ES modules, explore Node's core utilities for file and system operations, and manage external dependencies through npm. Build a clear understanding of how modular code, system tools, and packages connect to create efficient, maintainable Node.js applications.

A rigorous theoretical exploration of how large language models generalize to new tasks with zero or few examples, focusing on the principles, mechanisms, and limitations of prompt-driven reasoning and in-context learning.

Master how to build reliable, type-safe forms in React using Zod. Learn to define validation schemas, integrate them into real React workflows, handle errors gracefully, support asynchronous rules, and work seamlessly with popular form libraries like React Hook Form and Formik.