Map of Washington DC Metro area

Description

A dataset containing information to draw a map of Rockville, MD, and vicinity using ggmap. This information was pulled from Google Maps using the ggmap package.

Usage

metro_map

Format

An object of class "ggmap" and "raster" containing a map of the Rockville, MD, area.

References

D. Kahle and H. Wickham. ggmap: Spatial Visualization with ggplot2. The R Journal, 5(1), 144-161. http://journal.r-project.org/archive/2013-1/kahle-wickham.pdf

Examples

## Not run: 
library(ggmap)
data(metro_map)
ggmap(metro_map)

## End(Not run)

Results