Installing and loading a shiny package

This recipe is intended to show the reader how to download the shiny development package. It also teaches the reader how to load the package and craft an empty web application. Even an empty application is still useful to explain the very basics of working a web app with shiny.

How to do it...

Once we're looking for a package's development version, we must reach for GitHub, and that said, we need devtools.

1. Look for the devtools package. Once it's locked and loaded, we can proceed to make sure shiny will be installed:

> if(!require(devtools)){install.packages('devtools')}
> if(!require(shiny))
> {devtools::install_github('rstudio/shiny&apos...