"Item distribution performance - SumOfSquares"

PrintilPrintil Member Posts: 8 Contributor II
edited June 2019 in Help
Hello,

I would like to know exactly how the index SumOfSquares is calculated.

Thank you.

Best regards.
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Answers

  • landland RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 2,531 Unicorn
    Hi,
    excuse me? Please give a little bit more details about your setting, otherwise I can only say that the squares are simply added, since you then will gain the sum of squares...

    Greetings,
      Sebastian
  • PrintilPrintil Member Posts: 8 Contributor II
    Hello,

    I would like to make sure that SumOfSquares represent the inversion of the sum of the squares of the distances between all objects in the cluster and the centroid of the cluster.

    Thank you.

    Best regards.
  • TobiasMalbrechtTobiasMalbrecht Moderator, Employee, Member Posts: 294 RM Product Management
    Hi Printil,

    which operator are you talking about?

    Kind regards,
    Tobias
  • vivivivi Member Posts: 3 Contributor I
    Hi,

    I am talking about Performance(Item Distribution Performance) being the measure SumOf Squares.

    Thank you.
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