problem in using forward selection

m_a_najimim_a_najimi Member Posts: 2 Contributor I
edited November 2018 in Help
hi guys....
i have trouble in using forward selection or backward selection,,,,,,
i have connected the set role node to forward selection ,the set role has result,but when it comes to forward selection it produces error:
no data was delivered at input port or not connected to preceding node....
what can i do to fix that?
thanks alot


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    MartinLiebigMartinLiebig Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,524 RM Data Scientist

    could you post a example process? Than it would be easier to understand.

    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
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