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Map Clustering on Labels error setValue(Attribute, String) only supported for nominal values!

iageaiagea Member Posts: 1 Contributor I
edited November 2018 in Help

Hello everyone,

I'm a doctoral student doing a Data Mining course in which we use RapidMiner. I'm working now with clustering methods and I'm trying to obtain the Performance values (Accuracy) using Map Clustering on Labels.  The problem is that I get always the same error: "setValue(Attribute, String) only supported for nominal values!".

I attached a picture of the problem and the process.


Anyone knows why is happening this? 

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    Thomas_OttThomas_Ott RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,761 Unicorn

    Check the data type formats coming out of the Clustering Algo. You might need to do a Numerical to Nominal conversion since it requires a Nominal value for the label

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