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Issues using Correlation Matrix
Community Manager
A RapidMiner user wants to know the answer to this question: "Hey there, I'm using the latest version of RM and I had an old process which involved the "Correlation Matrix" operator previously I could see the correlation matrix normally but now, I see a lot of "?"/NaN values for the resulting matrix"
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Best Answer
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varunm1
Member Posts: 1,207 
Unicorn
Correlation matrix shows "?" if the attributes are non-numericals like text. Can you ask the user to check if attributes are numerical?
We can deep dive if the user could provide XML or DataRegards,
Varun
https://www.varunmandalapu.com/Be Safe. Follow precautions and Maintain Social Distancing
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