Chapter 4
Working with a Browser
IN THIS CHAPTER
Introducing shiny
Looking at a simple shiny project
Developing your project
Coming up with a more complex project
As I emphasize in Chapter 3, R is rich with opportunities for visualizing data. In this chapter, I show how to create R applications whose visualizations depend on user input. I also show how to present these applications in a browser so that web users can interact with them. Putting an R application in a browser is a great way to share data and analyses. And you don’t have to know HTML or JavaScript to get the job done!
Getting Your Shine On
A creation of RStudio honchos, shiny is the package that enables interactive, browser-based R applications. Use RStudio to install it in the usual way. On the Packages tab, click Install and then type shiny into the Install Packages dialog box. After the package finishes downloading, click the check box next to shiny on the Packages tab, or type
> library(shiny)
A couple of words about architecture before I move on and show how to create your first shiny project. Behind any web ...
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