This dataset contains the coordinates of the boundaries of all 32 boroughs of the Greater London area.
A data frame with 45341 observations on the following 3 variables.
Name of the borough.
The "easting" component of the coordinate, see details.
The "northing" component of the coordinate, see details.
Map data was made available through the Ordnance Survey Open Data
initiative. The data use the
National Grid coordinate system,
based upon eastings (
x) and northings (
y) instead of longitude and latitude.
name variable covers all 32 boroughs in Greater London:
Barking & Dagenham,
Kensington & Chelsea,
Contains Ordinance Survey data released under the Open Government License, OGL v2.
library(dplyr) library(ggplot2) # Calculate number of murders by borough london_murders_counts <- london_murders %>% group_by(borough) %>% add_tally() london_murders_counts ## Not run: # Add number of murders to geographic boundary data london_boroughs_murders <- inner_join(london_boroughs, london_murders_counts, by = "borough") # Map murders ggplot(london_boroughs_murders) + geom_polygon(aes(x = x, y = y, group = borough, fill = n), colour = "white") + scale_fill_distiller(direction = 1) + labs(x = "Easting", y = "Northing", fill = "Number of murders") ## End(Not run)