landmarks {cholera}R Documentation

Orthogonal projection of landmarks onto road network.

Description

Orthogonal projection of landmarks onto road network.

Usage

landmarks

Format

A data frame with 6 variables that records the position of the orthogonal projection of landmarks onto the network of roads.

road.segment

"address" road segment

x.proj

orthogonal x-coordinate

y.proj

orthogonal y-coordinate

ortho.dist

orthogonal distance to home road segment

x

nominal x-coordinate

y

nominal y-coordinate

name

landmark name

case

numeric case ID

Note

landmarkData documents the code for these data.


[Package cholera version 0.7.5 Index]