Summary  
This chapter explains how to define reusable code blocks (functions) by specifying parameters, a body of code, and return values, as well as how local variables work within those functions.

General domain of usage  
Software development

A beginner-friendly course designed to introduce you to the fundamentals of R programming. Learn the essential concepts, syntax, and techniques to start analyzing and visualizing data using R.

Learn the foundational elements of R, including syntax, variables, and basic operations.

Dive into R's core data structures for storing and manipulating data.

Master the use of conditional statements and loops to control the flow of your R programs.

Learn how to write and use functions to organize and reuse code in R.

Get started with creating simple plots and visualizations in R.

Defining Functions