I cannot find join operator in Rapidminer studio 9.6

mansour_ebrahim
mansour_ebrahim New Altair Community Member
edited November 5 in Community Q&A
Dear All
I used to use join operator to create an excel file of prediction models, but now the previous models don't run as it cannot find Join operator. Do you know the equivalent of this in the new version?
Regards.
Mansour
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Answers

  • rfuentealba
    rfuentealba New Altair Community Member
    Hello,

    The operator is there, under Blending > Table > Joins. It's one of the basic operations in RapidMiner Studio preparation, I doubt it will leave the basic tools.

    All the best,

    Rod.
  • mansour_ebrahim
    mansour_ebrahim New Altair Community Member
    Dear Rod
    It's not. there are six operators there called: Append, set minus, intersect, union, superset and cartesian, but none of them is doing the same job as Join operator built in previous versions.
    Regards.
    Mansour
  • varunm1
    varunm1 New Altair Community Member
    Hello @mansour_ebrahim

    That's strange, Did you try reinstalling the software?
  • mansour_ebrahim
    mansour_ebrahim New Altair Community Member
    No, just updated it to the latest version.
  • maciek
    maciek New Altair Community Member
    I experienced the same issue - there was no "Join" operator on the list. Additionally, connections were also lost. I could start RapidMiner only with extensions disabled, and the program didn't start if extensions were enabled. It happened after I cleared some tmp files on my machine.
  • MartinLiebig
    MartinLiebig
    Altair Employee
    So technically a bit of the functionality is delivered as an extension. If there is something which prevents extensions from being loaded, then you will just not get this functionality. This includes:
    • Join
    • Most Loop perators
    • A lot of ML (DT, GBT, RF, GLM)
    • Optimization operators
    • Everything auto model related
    • FP-Growth.

    Maybe this helps to understand what's going on.

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