leaflet: Create Interactive Web Maps with the JavaScript 'Leaflet' Library
Joe Z. Cheng, Barret Schloerke, Bhaskar Karambelkar, Yihui Xie, Garrick Aden-Buie · 2015
Create and customize interactive maps using the 'Leaflet' JavaScript library and the 'htmlwidgets' package. These maps can be used directly from the R console, from 'RStudio', in Shiny applications and R Markdown documents.