nn {prabclus}R Documentation

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.

Author(s)

Christian Hennig hennig@math.uni-hamburg.de http://www.math.uni-hamburg.de/home/hennig/

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)

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