R: Mean distance to kth nearest neighbor

nn {prabclus} | R Documentation

## Mean distance to kth nearest neighbor

### Description

Computes the mean of the distances from each point to its `ne`th nearest neighbor.

### Usage

    nn(distmat, ne = 1)

### Arguments

`distmat` | symmetric distance matrix (not a `dist`-object).
`ne` | integer.

### Value

numerical.

### Author(s)

Christian Hennig chrish@stats.ucl.ac.uk http://www.homepages.ucl.ac.uk/~ucakche

### 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)

[Package prabclus version 2.2-6 Index]