[R] Problems with cclust

[Christian Hennig]

Function kmeans in library(mva) should do what you want. 

Christian 

On Fri, 11 Oct 2002, Justin Arnott wrote:

> To Whom It May Concern,
> 
> I am currently trying to use R to perform a "kmeans" clustering of a
> three dimensional data set.  In the directory
> R-1.5.1/library/cclust/data/  I have created a file that
> has the following format (only the first few lines are shown for
> brevity):
> 
>             B                  X.Vtl     X.Vtu
> 1   -0.529043  1.307031  1.625169
> 2   -0.752502  1.132813  1.480548
> 3   -0.769839  0.888365  1.178828
> 4   -0.333035  0.732639  0.802276
> 5   -0.172183  0.636773  1.217721
> 
> 
> The file has the name test3.tab in that directory.  When I then use R,
> I load the data as follows:
> 
> >data(test3)
> 
> For a simple test, I attempt to use the kmeans method by using the
> command that follows:
> 
> > cclust(test3, 2, method="kmeans")
> Error in as.double.default(x) : (list) object cannot be coerced to
> vector type 14
> 
> 
> Below the command is the error I receive.  The matrix that I entered
> does have columns corresponding to variables and rows to observations as
> shown in the documentation so I'm not sure why it is not of the right
> format.
> 
> Any help on how to "fix" this error would be greatly appreciated!!
> 
> Thanks,
> Justin Arnott
> 
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-- 
***********************************************************************
Christian Hennig
Seminar fuer Statistik, ETH-Zentrum (LEO), CH-8092 Zuerich (current)
and Fachbereich Mathematik-SPST/ZMS, Universitaet Hamburg
hennig at stat.math.ethz.ch, http://stat.ethz.ch/~hennig/
hennig at math.uni-hamburg.de, http://www.math.uni-hamburg.de/home/hennig/
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