NOTE: Requires Shiny 0.9.0 or later.
See a version of it live at http://jcheng.shinyapps.io/superzip/
You can run this demo with:
if (!require(devtools))
install.packages("devtools")
devtools::install_github("jcheng5/leaflet-shiny")
shiny::runGitHub("superzip", "Unam-B")
Data compiled for Coming Apart: The State of White America, 1960–2010 by Charles Murray (Crown Forum, 2012). This app was inspired by the Washington Post's interactive feature Washington: A world apart.