DB Index Values Negative

rinintariririnintariri MemberPosts:1Newbie
edited March 2020 inHelp
Hi, i want to ask this question. I have segmentation performance of DB Index in negative values. why is it negative? How is the calculation of DB Index?. and which one is better -0.8 or -1.3 ? Thankyou
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Answers

  • MartinLiebigMartinLiebig Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University ProfessorPosts:3,368RM Data Scientist
    嗨@rinitairi,

    by convention those measures need to be maximized. In order that this is true, we multiplied it by -1. So -0.8 is better than -1.3

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