If you are a starter of shiny as me, this post may help your know some principle of shiny.

What is shiny?

• R based
• View as webpage hosted on servers
• give a request, show the result

Backgroud needed

• Almost R only

Why shiny?

• Entirely extensible
• Display your data in an interactive way

How shiny works?

• Reactive Programming

  When the input changes, …