streets {SnowData} | R Documentation |
Streets Dataset
Description
A dataset containing the start-points and end-points of streets in 1854 Soho, London
Usage
data(streets)
Format
A data frame with 5 rows and 317 columns:
- id
Observation-level identifier
- dist
Length of street section in metres
- start_point
Street start-point identifier
- end_point
Street end-point identifier
- start_coord_east
X-coordinate in Ordnance Survey National Grid (OSGB36) projection of the start-point
- start_coord_north
Y-coordinate in Ordnance Survey National Grid (OSGB36) projection of the start-point
- end_coord_east
X-coordinate in Ordnance Survey National Grid (OSGB36) projection of the end-point
- end_coord_north
Y-coordinate in Ordnance Survey National Grid (OSGB36) projection of the end-point
Source
John Snow's 1854 cholera outbreak map, georeferenced and processed by Niamh Mimnagh. Original map and data can be found in the public domain at: Snow, J. (1855). On the Mode of Communication of Cholera. (Online) Available: https://commons.wikimedia.org/wiki/File:Snow-cholera-map-1.jpg