adjacency {spam} | R Documentation |
Administrative Districts of Germany
Description
Constructing the adjacency graph of the administrative districts of Germany
Usage
adjacency.landkreis(loc)
Arguments
loc |
location of the graph structure, can be an URL. |
Details
The function is included as an example on how to construct adjacency matrices form a (common) adjacency structure. For the particular example, note that the nodes are not numbered consecutively and that they start from zero.
Value
a sparse matrix in spam
format.
Author(s)
Reinhard Furrer
References
The adjacency data has been provided by Havard Rue and is also available in INLA.
See Also
germany.plot
super-seeding map.landkreis
for plotting.
Oral
.
Examples
## Not run:
loc <- system.file("demodata/germany.adjacency", package="spam")
display( adjacency.landkreis( loc))
## End(Not run)
[Package spam version 2.10-0 Index]