R courses can help you learn data manipulation, statistical analysis, data visualization, and programming fundamentals. You can build skills in creating reproducible research, performing regression analysis, and implementing machine learning algorithms. Many courses introduce tools like RStudio and packages such as ggplot2 and dplyr, which enhance your ability to analyze datasets and present findings effectively.

Skills you'll gain: Time Series Analysis and Forecasting, Data Visualization, Statistical Visualization, Plot (Graphics), Data Preprocessing, Box Plots, Anomaly Detection, Plotly, Exploratory Data Analysis, Data Processing, Descriptive Analytics, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Data Storytelling, Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Exploratory Data Analysis, Business Analysis, Data Wrangling, Case Studies, Data Manipulation, Data Cleansing, Python Programming, Data Import/Export, Promotional Strategies
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Angular, Web Design and Development, Front-End Web Development, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Frontend Integration, Application Frameworks, UI Components, User Interface (UI), Event-Driven Programming, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, Frontend Integration, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Authentications, Server Side, User Interface (UI), User Accounts, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Test Tools, Automation, Cascading Style Sheets (CSS)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Vibe coding, Generative AI, Google Gemini, Development Environment, Computational Thinking, Program Development, Software Development, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Shell Script, Database Administration, Command-Line Interface, Operational Databases, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Data Processing, Linux
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Code Reusability, Computer Programming, Memory Management, Programming Principles, Program Development, Functional Design
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Web Development, User Experience Design
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Digital pedagogy, Technical Communication, Distributed Computing, Digital Transformation, Cloud Technologies, Cloud Computing, Computer Science, Hypertext Markup Language (HTML), Telecommuting, Cloud Storage, Automation, Data Access, Data Analysis, Data Science, Amazon Web Services, SQL, Databases
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, User Interface (UI), LLM Application, AI Workflows, AI Integrations, Human Computer Interaction, Agentic Workflows, Retrieval-Augmented Generation, AI Product Strategy, Embeddings, Application Deployment, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Development Testing, System Programming, C (Programming Language), Development Environment, Verification And Validation, Integrated Development Environments, Computer Programming Tools, Code Reusability, System Configuration, Peripheral Devices, Software Installation
Intermediate · Course · 1 - 3 Months