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[SOLVED] IOObjectCollection to ExampleSet conversion

ziszis Member Posts: 22 Contributor II
edited November 2018 in Help
Hi,

I have an Example Loop operator, which returns from output port IOObjectCollection. I would like to join this data to ExampleSet after the Example Loop operator and then make Aggregate on newly created ExampleSet.

Is that possible?

Thanks for ideas,
Regards,
John

Answers

  • ziszis Member Posts: 22 Contributor II
    First idea was

    that in each iteration I save data through Store operator, but he has not an "append" mode and in each iteration he deletes original data and saves new.
  • ziszis Member Posts: 22 Contributor II
    Yes,

    first idea was successful. In each iteration I used UNION operator for new data and data in Store operator and result from UNION opreator save to Store again.

    Still, is any better solution?

    Regards,
    John
  • MariusHelfMariusHelf RapidMiner Certified Expert, Member Posts: 1,869 Unicorn
    Hi,

    if all your example sets have the same attributes, the Append operator would have the same effect as Union, but is more efficient.

    Best, Marius
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