[R] distance method in kmeans

paulandpen paulandpen at optusnet.com.au
Sun Apr 22 17:08:18 CEST 2007


You could try clustan graphics, cheap and awesome with plenty of 
preprocessing capabilities of matrices.

Given this is one of R's strengths (matrix programming) I would imagine 
there is code out there that would enable you to generate a matrix for use 
in k-means.

Typically, what I would do is to generate a set of tetrachoric correlations 
if I am going to use binary data in k-means


----- Original Message ----- 
From: "Ranga Chandra Gudivada" <chandra_bio at yahoo.com>
To: <R-help at stat.math.ethz.ch>
Sent: Monday, April 23, 2007 12:19 AM
Subject: [R] distance method in kmeans

>I am trying to cluster some binary data using k-means . As the regular 
>"kmeans" available from stats package in R does'nt provide the option to 
>change the distance method. I was wondering there is any package available 
>to specify type of distance measure to be used in k means clustering in  R. 
>Especially distances like "Jaccard" which is good for binary data.
>               Thanks chandra
> ---------------------------------
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