library(leaflet)
## Warning: package 'leaflet' was built under R version 3.4.4
df <- data.frame(lat = c(30.2843,22.6256),
lan = c(-97.7378,75.7910),
popup = c("McCombs School of Business", "IIM Indore"),
col = c("blue", "green"))
df %>%
leaflet() %>%
addTiles() %>%
addCircleMarkers(weight = 25, lat= df$lat, lng=df$lan, popup = df$popup, color = df$col) %>%
addLegend(labels = df$popup, colors = df$col)