Dear Rui,

Did you have a look at 'pracma' package? There is a 'kmeanspp' function.

Best Regards,
Pascal


Le 29/02/2012 19:52, Rui Esteves a écrit :
Dear Pascal,

From Wikipedia:

In applied statistics, k-means++ is an algorithm for choosing the
initial values (or "seeds") for the k-means clustering algorithm. It
was proposed in 2007 by David Arthur and Sergei Vassilvitskii, as an
approximation algorithm for the NP-hard k-means problem—a way of
avoiding the sometimes poor clusterings found by the standard k-means
algorithm.

On Wed, Feb 29, 2012 at 11:33 AM, Pascal Oettli
<oet...@eps.s.u-tokyo.ac.jp>  wrote:
Dear Rui,

What "++" means?  There is kmeans in "stats" package.

Best Regards,
Pascal


Le 29/02/2012 19:20, Rui Esteves a écrit :

Dear all.

I am searching for KMeans ++ for R. I cannot find it.
Do you know any package with it?

Best regards,
Rui

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Dr. Pascal Oettli
Project Research Associate
Department of Earth and Planetary Science
Graduate School of Science
The University of Tokyo

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