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Learn R by doing - interactive, practical, powerful.

RMastery is a powerful interactive R learning platform built as an R package. It helps you learn R step-by-step using hands-on tutorials, exercises, and instant feedback.

Features

  • Interactive Tutorials – Learn concepts with guided lessons
  • Hands-on Exercises – Practice as you learn
  • Instant Feedback – Get real-time grading with explanations
  • Structured Curriculum – Beginner → Intermediate → Advanced
  • Real-world Examples – Work with practical datasets
  • Exams – Full Exams

Built With

  • learnr – Interactive tutorials
  • gradethis – Automatic grading and feedback

Installation

Install from GitHub:

install.packages("pak")
pak::pak("clinton-mwachia/RMastery")

Getting Started

Launch your first lesson:

library(RMastery)

# start your learning jouney
start_learning()

# browse available tutorials
list_tutorials()

# lauch a given lesson
load_tutorial(tutorial = "data")

Course Structure

  • Variables & Data Types
  • Vectors
  • Data Frames

Each lesson includes:

  • Explanation
  • Interactive coding
  • Instant feedback
  • Hints

Project Structure 

RMastery/
├── R/
├── inst/
│   └── tutorials/
│       ├── data_structures/
│       ├── introduction/
│       └── machine_learning/
├── man/
├── DESCRIPTION
└── README.md

Goals

RMastery aims to:

  • Make R learning interactive and practical
  • Replace passive tutorials with hands-on experience
  • Provide a complete learning path in one package

Contributing

Contributions are welcome!

You can:

  • Add new lessons
  • Improve exercises
  • Fix bugs
  • Suggest features

Steps:

  1. Fork the repo
  2. Create a branch
  3. Make changes
  4. Submit a pull request

License

MIT License

Author

Built with Love by clinton-mwachia

Support

If you like this project:

  • tar the repo
  • Fork it
  • Contribute

Learn R the right way — by doing.