Creating basic shiny interactive plots

The previous recipe taught you how to install and load shiny, as well the basics of crafting and running a shiny app. This one introduces how to draw a basic interactive shiny plot (it's actually a shiny web app though). To do that, we shall demonstrate how to manipulate input and output while also taking advantage of plotly's interactivity.

Getting ready

Besides shiny, we also need three more packages, as follows:

> if(!require(plotly)){install.packages('plotly')}
> if(!require(Ecdat)){install.packages('Ecdat')}
> if(!require(dplyr)){install.packages('dplyr')}

The plotly package will be used to draw the plots, Ecdat&...