R for Data Science Cookbook

Creating R functions

The R language is a collection of functions; a user can apply built-in functions from various packages to their project, or they can define a function for a particular purpose. In this recipe, we will show you how to create an R function.

Getting ready

If you are new to the R language, you can find a detailed introduction, language history, and functionality on the official R site (http://www.r-project.org/). When you are ready to download and install R, please connect to the comprehensive R archive network (http://cran.r-project.org/).

How to do it...

Perform the following steps in order to create your first R function:

1. Type the following code on your R console to create your first function:

   >addnum<- function(x, y){
   + s <- x+y ...