Shiny is a R package which makes it easy to build interactive web apps. R shiny server in Datahub is used to build interactive dashboards. Here is a short demo of a shiny application below,
If you are interested to explore Shiny application further then you can play with examples from this Github repository and few other examples created by a stats faculty. Here are couple of approaches you can take to launch a shiny application,
Upload the chosen Shiny application to Github
Paste the URL for the datahub you are using (If you are using Shiny hub then paste https://shiny.datahub.berkeley.edu/) and open it using “Shiny” option in the nbgitpuller plugin.
Paste the link in a browser to access the shiny application. Here is an example link.
Clone the required GitHub repository having Shiny examples to your instance of Jupyterhub.
Launch the Shiny server.
Point the Shiny server to an example from the cloned repository.
Explore the rendered example using shiny dashboard.
You can also view the code that generated the dashboard in the rendered output.