Dataset app
datasetApp.RdThis standalone app function is from the Getting started: UI input + server output section of Mastering Shiny.
filter
This application includes an argument for filtering objects "limit the options to built-in datasets that are either data frames (filter = is.data.frame) or matrices (filter = is.matrix)" displayed in the selectInput().
reactive values
The renderPrint() output contains the output from shiny::reactiveValuesToList()
and contains theinputIds for the modules in the application.