distratio: Distance ratio test statistics for distance based clustering

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

Calculates the ratio between the prop smallest and largest distances of a distance matrix.

Usage

1
distratio(distmat, prop = 0.25)

Arguments

distmat

symmetric distance matrix.

prop

numerical. Proportion between 0 and 1.

Details

Rounding is by floor for small and ceiling for large distances.

Value

A list with components

dr

ratio of prop smallest to prop largest distances.

lowmean

mean of prop smallest distances.

himean

mean of prop smallest distances.

prop

see above.

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

1
2
3
4


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