gistfile1.txt

# assuming data has columns named something like: "lat", "long", and "timestamp"

library(ggmaps)
library(ggplot2)

ggplot(data = data,
       aes(x = lat,
           y = long)) + 
      geom_point() + 
      coord_map() 
  # facet_wrap(~timestamp)

# using an interactive model html widgets

library(htmlwidgets)
library(leaflet)

# experimental, might not work!

m <- leaflet(data) %>% addCircles

m

# try and colour according to time
m %>% addCircleMarkers(colour = timestamp)