road.segments {cholera}

Dodson and Tobler's street data transformed into road segments.

Description

This data set transforms Dodson and Tobler's street data to give each straight line segment of a "road" a unique ID.

Usage

road.segments

Format

A data frame with 657 observations and 7 variables. The data describe the straight line segments used to recreate the roads on Snow's map.

street

numeric street ID, which range between 1 and 528

id

character segment ID

name

road name

x1

x-coordinate of first endpoint

y1

y-coordinate of first endpoint

x2

x-coordinate of second endpoint

y2

y-coordinate of second endpoint

Note

roadSegments documents the code for these data.

See Also

roads

vignette("road.names")

streetNameLocator

streetNumberLocator

segmentLocator