spatgraphs-rmknn_graph {spatgraphs} | R Documentation |
Compute the adjacency matrix for point pattern X with relation
x~y <==> x\in knn(y) AND y\in knn(x)where knn(y) is the set of k-nearest neighbours (other points) of y.
pp |
Point pattern with elements x,y,n. |
k |
How big neighbourhood? |
Date: | 2007-03-01 |
License: | GPL v2 or later |