snowMap: Plot John Snow's cholera map.

In cholera: Amend, Augment and Aid Analysis of John Snow's Cholera Map

Plot John Snow's cholera map.

Description

Plot John Snow's cholera map.

Usage

snowMap(vestry = FALSE, stacked = TRUE, add.cases = TRUE,
  add.landmarks = FALSE, add.pumps = TRUE, add.roads = TRUE,
  add.frame = TRUE, main = NA, case.col = "gray", case.pch = 15,
  latlong = FALSE, ...)

Arguments

vestry	Logical. TRUE uses the 14 pumps from the map in the Vestry Report. FALSE uses the 13 pumps from the original map.
stacked	Logical. Use stacked fatalities.
add.cases	Logical. Add observed cases.
add.landmarks	Logical. Add landmarks.
add.pumps	Logical. Add pumps.
add.roads	Logical. Add roads.
add.frame	Logical. Add map frame.
main	Character. Title of graph.
case.col	Character. Color of fatalities.
case.pch	Character. Color of fatalities.
latlong	Logical. Use estimated longitude and latitude.
...	Additional plotting parameters.

Value

A base R graphics plot.

Note

Uses amended version of Dodson and Tobler's data included in this package.

Examples

snowMap()
snowMap(vestry = TRUE, stacked = FALSE)

cholera documentation built on March 7, 2023, 5:31 p.m.