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"X-Validation e Set Role"

FrancieleFranciele Member Posts: 2 Contributor I
edited June 2019 in Help
By using X-Validation, the following message appears:

The example in September does not have a label.
Many operators in particular classification and regression algorithms require the target attribute to be declared as so the label.To, use "The set role" operator.

How should I proceed?

How should I configure the Set Role?
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    MartinLiebigMartinLiebig Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,508 RM Data Scientist
    You need to add a label attribute. A label is something where the truth is in (sometimes target variable).

    So you need to set the role of the attribute you want to predict to "label" using the set role operator
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
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