R for Data Science by Hadley Wickham and Garrett Grolemund

R for Data Science is a thorough online book and learning resource that teaches the fundamentals of data science using the R programming language. Written by Hadley Wickham and Garrett Grolemund, both renowned experts in data science and R development, this resource covers the complete data science workflow: importing data, tidying and transforming it, visualising insights, and building predictive models. The book emphasizes practical, hands-on skills and best practices that form the foundation of professional data science work. It's designed for aspiring data scientists, analysts, and researchers who want to develop proficiency in R and learn a systematic approach to solving real-world data problems. The resource combines theory with practical examples, making it accessible to beginners while remaining valuable for intermediate practitioners.