R Markdown and Leaflet

Map showing 30 biggest cities in the Netherlands, incl. housing prices in 2016

library(leaflet)

## Warning: package 'leaflet' was built under R version 3.3.3

data <- read.csv("Bestaande_koopwoning.csv", sep = ";", dec = ",")
LatLon <- data[,4:5]
popuptext1 <- data$Stad
popuptext2 <- paste("EUR", data$euro)
popuptext <- paste(popuptext1, "," ,popuptext2)
LatLon %>%
     leaflet() %>%
     addTiles() %>%
     addMarkers(clusterOptions = markerClusterOptions(), popup = popuptext)