## install dependencies
if(!("devtools" %in% installed.packages())) install.packages("devtools")
if(!("leaflet" %in% installed.packages())) devtools::install_github("rstudio/leaflet")

## load dependencies
library(leaflet)

## generate a map!
leaflet() %>% 
  addTiles() %>% 
  addMarkers(13.378067, 52.530551, popup = "Institute for Theoretical Biology")