spatgraphs-rknn_graph {spatgraphs}R Documentation

rknn_graph

Description

Compute the adjacency matrix for point pattern X with relation

    x~y <==> x\in knn(y)
where knn(y) is the set of k-nearest neighbours (other points) of y.

Arguments

pp Point pattern with elements x,y,n.
k How big neighbourhood?

Details

Date: 2007-03-01
License: GPL v2 or later


[Package spatgraphs version 0.2 Index]