OpenStreetMap doesn't display in RStudio (with R 3.2.1)

Question

I am using code from here

library(leaflet)

m <- leaflet() %>%
  addTiles() %>%  
  addMarkers(lng=174.768, lat=-36.852, popup=\"The birthplace of R\")         


        

Answer 1

I had the same issue, found this and worked very well for me:

%>% addProviderTiles(providers$OpenStreetMap) %>% 

found it here: https://gis.stackexchange.com/questions/187926/leaflet-output-is-grey