This chapter introduces the basics of R programming and RStudio, equipping readers with foundational skills for data analysis. It covers essential concepts such as objects, operators, scripting, and the RStudio interface, providing step-by-step guidance for setting up a project and navigating the four main windows of RStudio. Readers will learn how to write and execute scripts, use functions, and leverage “Code Completion” for efficient coding. Additionally, the chapter highlights the best practices for organizing workspaces and saving scripts.