adjacency {spam} | R Documentation |
Constructing the adjacency graph of the administrative districts of Germany
adjacency.landkreis( loc)
loc |
location of the graph structure, can be an URL. |
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.
a sparse matrix in spam
format.
Reinhard Furrer
The adjacency data has been provided by Havard Rue and is also available in INLA.
germany.plot
super-seeding map.landkreis
for plotting.
Oral
.
## Not run: loc <- system.file("demodata/germany.adjacency", package="spam") display( adjacency.landkreis( loc)) ## End(Not run)