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MathGroup Archive 2006

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Re: nearest neighbor

  • To: mathgroup at smc.vnet.net
  • Subject: [mg66098] Re: nearest neighbor
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Sat, 29 Apr 2006 03:40:55 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 4/28/06 at 6:33 AM, Chris.Kulp at EKU.EDU (Kulp, Chris) wrote:

>I am in interested in finding the nearest neighbor for points in a
>space whose dimension is greater than two.  How can I do this in
>Mathematica without computing the distances between all of the
>points? In particular, I am interested in developing a Mathematica
>notebook for the false nearest neighbor algorithm used in nonlinear
>time series analysis.

A good place to start would be the functions in the package Statistics`ClusterAnalysis. A variety of different distance measures have been implemented in that package. Possibly one of the existing methods is suitable. If not, looking though the code with a text editor should give you some ideas as to how to solve your specific problem.
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