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Does HBOS outlier detection requires normalization?

User: "Jerwuney"
New Altair Community Member
Updated by Jocelyn
Hi,

Please does HBOS method for outlier detection requires normalization? Is it sensitive to scale like k-NN?

I read a paper that states that, "HBOS assumes independence of the features", so I tried deriving from it that HBOS might be done with allowing features to maintain their respective scales.

Please I would appreciate your kind support. Thank you.

Sincerely,
Jerwuney

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    User: "MartinLiebig"
    Altair Employee
    Accepted Answer
    Hi,
    since features are independent normalization shouldn't matter, as long as they are linear.

    BR,
    Martin
    User: "Jerwuney"
    New Altair Community Member
    OP
    Accepted Answer
    Hi Martin,

    Thank you.

    Jerwuney.