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why is Average distance in CenBasedEvaluator negative?

User: "nguyenxuanhau"
nguyenxuanhau
New Altair Community Member
Updated by Jocelyn
hi
I used CentroidBasedEvaluator to validaty but  Average distance and Davies Bouldin was  negative? they must posity
Thanks

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    User: "earmijo"
    earmijo
    New Altair Community Member
    No clue. I have always ignored the sign. After all, distances are always positive.
    User: "taha_mokfi"
    taha_mokfi
    New Altair Community Member
    earmijo wrote:

    No clue. I have always ignored the sign. After all, distances are always positive.
    is there any better solution? i think ignoring the sign is not a god idea....
    User: "earmijo"
    earmijo
    New Altair Community Member
    Do you think distances can be negative?
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