nn {prabclus}

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 (not a dist-object).

ne

integer.

Value

numerical.

Author(s)

Christian Hennig [e-mail] https://www.unibo.it/sitoweb/christian.hennig/en

References

Hennig, C. and Hausdorf, B. (2004) Distance-based parametric bootstrap tests for clustering of species ranges. Computational Statistics and Data Analysis 45, 875-896.

See Also

prabtest

Examples

data(kykladspecreg)
j <- jaccard(t(kykladspecreg))
nn(j,4)