cholera_cases {SnowData} | R Documentation |
Cholera Cases Dataset
Description
A dataset containing the locations of cholera cases in 1854 Soho, London
Usage
data(cholera_cases)
Format
A data frame with 5 rows and 317 columns:
- id
Observation-level identifier
- Count
Count of cholera deaths
- Angle
Variable used for aligning barcharts along streets, for use when re-creating the barchart approach of John Snow
- Easting
X-coordinate in Ordnance Survey National Grid (OSGB36) projection
- Northing
Y-coordinate in Ordnance Survey National Grid (OSGB36) projection
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
[Package SnowData version 1.0.0 Index]