What is random clutering?
What is the random clustering exactly? It performs better than k-means, so I wonder what it does.
Thanks! Joris
Thanks! Joris
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Yes, I was afraid of that 
)
As performance measurement I take the Item Distribution measurement. The other ones don't seem to work with clustering output, or only with one or two. I assument the measurement works ok, so I'm a bit puzzled.
) As performance measurement I take the Item Distribution measurement. The other ones don't seem to work with clustering output, or only with one or two. I assument the measurement works ok, so I'm a bit puzzled.
Can you please post a simple process which depicts your problem? See the link in my signature on how to do that.
Random Clustering simply iterates over all examples and assigns a random cluster to it. Must be pure chance, if it performs better than k-Means, or your validation process is wrong.
Best, Marius