Isn't --clustering the post processing step that already does it?

On Jul 13, 2011, at 4:31 PM, Jeff Eastman wrote:

> Well, distance is dependent upon the distance measure you want to use. A 
> post-processing step could easily calculate this. The ClusterEvaluator may 
> have some methods that could be useful. It calculates a set of representative 
> points for each cluster and calculates interCluster and intraCluster 
> densities from that. 
> 
> -----Original Message-----
> From: Grant Ingersoll [mailto:[email protected]] 
> Sent: Wednesday, July 13, 2011 1:28 PM
> To: [email protected]
> Subject: Re: Emitting distance from centroid for K-Means
> 
> Good to know.  Next question, what's the preferred way, then, to get out 
> either the distance or what Ted said?
> 
> -Grant
> 
> On Jul 13, 2011, at 4:25 PM, Ted Dunning wrote:
> 
>> I take back what I said.
>> 
>> Jeff is correct.
>> 
>> On Wed, Jul 13, 2011 at 1:23 PM, Jeff Eastman <[email protected]> wrote:
>> 
>>> The weight is the probability the vector is a member of the cluster. For
>>> FuzzyK and Dirichlet it is fractional, for KMeans it is 1 as the algorithm
>>> is maximum likelihood and each point is only assigned to a single cluster.
>>> 
>>> -----Original Message-----
>>> From: Grant Ingersoll [mailto:[email protected]]
>>> Sent: Wednesday, July 13, 2011 1:11 PM
>>> To: [email protected]
>>> Subject: Emitting distance from centroid for K-Means
>>> 
>>> Does it make sense to output the distance to the cluster as the weight in
>>> the KMeansClusterer.outputPointWithClusterInfo method instead of 1?  What's
>>> the purpose of the 1 as the weight?
>>> 
>>> -Grant
>>> 
>>> 
>>> 
> 
> --------------------------
> Grant Ingersoll
> 
> 
> 

--------------------------
Grant Ingersoll



Reply via email to