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Rapidminer (9.10) : Set Role - issues with assigning ID target roles for recommendation model
mutheiwana_ramb
Member Posts: 1 
Learner III
in Help
Hi
i am currently trying to build a recommendation model and the new version(9.10) of Rapidminer doesn't seem to recognise attribute roles to distinguish user & item identification. i have enclosed screenshots of my process and the exception i am getting, please assist with debugging.
Set Role Parameters:
Knn Error:
When i select "Help me solve the problem
when i select OK, it creates another Set Role operator and the exception still doesn't clear
i am currently trying to build a recommendation model and the new version(9.10) of Rapidminer doesn't seem to recognise attribute roles to distinguish user & item identification. i have enclosed screenshots of my process and the exception i am getting, please assist with debugging.
Set Role Parameters:
Knn Error:
When i select "Help me solve the problem
when i select OK, it creates another Set Role operator and the exception still doesn't clear
0
Answers
Can you share your data and your process ?
Regards,
Lionel
please create a new post with more details.
It's most likey caused by differences in the capitalization, numbers of white spaces or spelling.
Greetings
Jonas