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RANN

Finds the k nearest neighbours for every point in a given dataset in O(N log N) time using Arya and Mount’s ANN library (v1.1.3). There is support for approximate as well as exact searches, fixed radius searches and bd as well as kd trees.

This package implements nearest neighbors for the Euclidean (L2) metric. For the Manhattan (L1) metric, install the RANN1 package.

For further details on the underlying ANN library, see http://www.cs.umd.edu/~mount/ANN.

Installation

Released versions

The recommendation is to install the released version from CRAN by doing:

install.packages("RANN")

Bleeding Edge

You can, however, download the tar ball, and run R CMD INSTALL on it, or use the devtools package to install the development version:

# install.packages("devtools")

devtools::install_github("jefferis/RANN")

Note: Windows users need Rtools and devtools to install this way.

Feedback

Please feel free to:

• submit suggestions and bug-reports at: https://github.com/jefferis/RANN/issues
• send pull requests after forking: https://github.com/jefferis/RANN/
• e-mail the maintainer: jefferis@gmail.com

Copyright and License

see inst/COPYRIGHT and DESCRIPTION files for copyright and license information.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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