I think you want to know why vectors are being assigned to any particular cluster. Different clustering algorithms work in different way, so, I think some code will be needed for it.

The way I do it, is by taking a small set of vectors, and debug the clustering algorithm using their sequential version.
Its fast and makes things clear.

There are certain cluster evaluators also, which might help, but I don't know much about them, try to have a look at them also.

On 10-08-2012 02:42, Necati Demir wrote:
Hello,

I am using mahout 0.8 and after clustering a data, i use this command to
see results:

mahout clusterdump --seqFileDir clusters/clusters-77/ --pointsDir
clusters/clusteredPoints/
Also i want to learn why rows are clustered in the same cluster. I think,
to learn this i can write code to find which features/dimensions are
similar in a cluster.

Without writing code, can i find why rows are clustered in the same
cluster?

**In a nutshell: I want to learn the characteristics of the clusters.**




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