add.neighbor {BayesX}

Add Neighborhood Relations

Description

Adds a neighborhhod relationship between two given regions to a map object in graph format.

Usage

add.neighbor(map, region1, region2)

Arguments

map

Map object in graph format that should be modified.

region1, region2

Names of the regions that should be connected as neighbors.

Value

Returns an adjacency matrix that represents the neighborhood structure of map plus the new neighborhood relation in graph format.

Author(s)

Felix Heinzl, Thomas Kneib

See Also

get.neighbor,delete.neighbor,read.gra,write.grabnd2gra

Examples

germany <- read.gra(system.file("examples/germany.gra", package="BayesX"))
get.neighbor(germany, c("1001", "7339"))
germany <- add.neighbor(germany, "7339", "1001")
get.neighbor(germany, c("1001", "7339"))