london_boroughs: London Borough Boundaries

In OIdata: Data sets and supplements (OpenIntro)

Description

This dataset contains the coordinates of the boundaries of all 32 boroughs of the Greater London area.

Usage

data(london_boroughs)

Format

A data frame with 45341 observations on the following 3 variables.

name

Name of the borough.

x

The "easting" component of the coordinate, see details.

y

The "northing" component of the coordinate, see details.

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.

The name variable covers all 32 boroughs in Greater London: Barking & Dagenham, Barnet, Bexley, Brent, Bromley, Camden, Croydon, Ealing, Enfield, Greenwich, Hackney, Hammersmith & Fulham, Haringey, Harrow, Havering, Hillingdon, Hounslow, Islington, Kensington & Chelsea, Kingston, Lambeth, Lewisham, Merton, Newham, Redbridge, Richmond, Southwark, Sutton, Tower Hamlets, Waltham Forest, Wandsworth, Westminster

Source

https://www.ordnancesurvey.co.uk/opendatadownload/products.html

Contains Ordinance Survey data, Crown copyright and database right [2012], used under the Open Data License.

References

OpenIntro, openintro.org

Examples

data(london_boroughs)
## Not run: 
# install.packages("ggplot2")
# install.packages("RColorBrewer")
library(ggplot2)
library(RColorBrewer)
data(murders)
LB          <- london_boroughs
mtab        <- table(murders$borough)
LB$nmurders <- rep(mtab, rle(as.character(LB$name))$lengths)
p           <- ggplot()
p +
  geom_polygon(data=LB, aes(x=x, y=y, group = name, fill = nmurders),
               colour="white" ) +
  scale_fill_gradientn(colours = brewer.pal(7, "Blues"),
               limits=range(LB$nmurders))

## End(Not run)

Example output

Loading required package: RCurl
Loading required package: bitops
Loading required package: maps

OIdata documentation built on May 2, 2019, 2:14 p.m.