countyMaps.RdA dataset for plotting a map of counties by state.
The map data is from map_data. The data has been
modified to include additional variables for county centroids (longCent,
latCent). The county centroids are used for calculating the nearest county
during tooltip interactions.
countyMaps
An object of class tbl_df (inherits from tbl, data.frame) with 87949 rows and 9 columns.
Other map data: countyCentroids,
stateCentroids, stateMap