WEKA: How can I get model (cluster) information into KNIME table?

I'm clustering some data and now I'm trying to determine the properties of the cluster like min, max or average values for the used properties and depending on the used algorithm. I can see these values in the model output port of the weka nodes. But how can I extract them into a table?

Hi,

you could calculate the desired values by using the GroupBy-node:

Assign to each row of you input data the according cluster (Weka Cluster Assigner) and group them (GroupBy-node) by the cluster id (called 'Winner Cluster'). You can then select the respective property you wish to calculate in the 'Aggregation settings' of the GroupBy-node for each column individually.

If you need an example workflow that demonstrates that just let me know.

Best,

Martin