[R] k-modes (Huang) in package klaR?

Uwe Ligges ligges at statistik.tu-dortmund.de
Wed Sep 30 17:07:49 CEST 2009



Uwe Ligges wrote:
> 
> 
> Kim Vanselow wrote:
>> Dear R-Users and Developers,
>> I want to calculate something like k-means clustering, but with 
>> ordinal data (Braun-Blanquet) to combine this classification technique 
>> with a NMDS-Ordination.
>> I found an algorithm especially developed for categorical data: 
>> k-modes (Huang 1998). Is there a function implemented in R which can 
>> calculate with this algorithm. I found a hint on a poster-abstract 
>> from Gero Szepannek, Uwe Ligges and Claus Weihs. There it is stated 
>> that the algorithm is implemented in their package klaR. But I cannot 
>> find anything about k-modes in the klaR-Tutorial.
>> Could you please help me.
> 
> Dear Kim,
> 
> well, maybe you start writing a message to the authors of that 
> poster-abstract at first who might be able to help?
> Since I am one of those: Where can I find this abstract or poster (at 
> least in order to remind Gero who does no longer work at the university 
> to finally implement the feature, if it is not yet there)?

Some news on this:

Gero never presented it in his talk at the useR!2008 and we all forgot 
that he announced it in his abstract. He is working for a bank these 
days and is going to send his code within a few days. Will take a look 
if it is easy to add the existing code to klaR then.

Best wishes,
Uwe Ligges


> Best wishes,
> Uwe Ligges
> 
> 
>>
>> Thanks
>> Kim
>




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