In this chapter, we're going to introduce you to the package used to build an interactive app, or the Shiny app, which is how it is named. The first section explains what the shiny package is and the second section shows how to build a simple kind of Shiny app. The third section describes how reactive works and presents some reactive functions. In the next section, we create a Shiny app using data. And there is the last section, where we give a little advice about the shiny package.

In this chapter, we'll be cover the following topics:

• What is R shiny package 
• Creating an R Shiny app for statistical modeling
• Best practices for Shiny