It uses Euclidean distances. I don't know what the maintainer was thinking when he wrote that help page.
On Thu, 6 May 2010, Jay wrote:
> pardon my ingorance, but what distance metric is used in this function
> in the nnclust package?
> The manual only says:
> "Find the nearest neighbours of points in one data set from another
> data set. Useful for Mallows-type
> distance metrics."
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> https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code.
Thomas Lumley Assoc. Professor, Biostatistics
[hidden email] University of Washington, Seattle