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Square Correlation

chiaUMchiaUM Member Posts: 4 Newbie

Hello,everyone. I'm newbie in Rapidminer.

I would like to ask one enquiry about the square_correlation in rapid miner 

Why there is a range of +/- in square_correlation? 
Is there any reason behind? 

Best Answer

  • mschmitzmschmitz Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,089  RM Data Scientist
    Solution Accepted
    Hi,
    you likely run a cross validation here. Each cross validation gives you different performances. The result you see is the average and the standard_deviation of the different results.

    Best,
    Martin
    - Head of Data Science Services at RapidMiner -
    Dortmund, Germany
    BalazsBarany

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