prabclus (version 1.0-2)

nn: Mean distance to kth nearest neighbor

Description

Computes the mean of the distances from each point to its neth nearest neighbor.

Usage

nn(distmat, ne = 1)

Arguments

distmat

symmetric distance matrix.

ne

integer.

Value

• numerical.

References

Hennig, C. and Hausdorf, B. (2002) Distance-based parametric bootstrap tests for clustering of species ranges, submitted, http://stat.ethz.ch/Research-Reports/110.html.

See Also

prabtest

Examples

data(kykladspecreg)
# Note: If you do not use the installed package, replace this by
# kykladspecreg <- read.table("(path/)kykladspecreg.dat")
j <- jaccard(t(kykladspecreg))
nn(j,4)