Urgent: Association Rule Learner (Borgelt)

Hello All,

I need help using the Association Rule Learner (Borgelt).

After using the Group By node to list each transaction and its stock code (concatenate in the group by node).

I am getting an error with the Association Rule Learner (Borgelt) node which states “No transaction column available”.

Group by node:


Can you please help?

@Prashaant0604 welcome to the KNIME forum.I think you will have to create a list instead of a string:


Hello @mlauber71,

I have managed to make it work :smiley:

The solution was in the node for “Group by”.

It should be in “List” as per below:

Thank you for your help anyways :+1:


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