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KMedoids Algorithm

IngoRMIngoRM Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, Community Manager, RMResearcher, Member, University Professor Posts: 1,750  RM Founder
edited December 2019 in Help
Original message from SourceForge forum at http://sourceforge.net/forum/forum.php?thread_id=2043279&;forum_id=390413

Hello
I would like to know what kind of KMedoids Algorithm using in RapidMiner?
Is it PAM? CLARA? or other?

thanksΒ 

Ann


Answer by Anonymous:

I am not programmer but I think It is PAM (Partitioning Around Medoids) 'cause it's another name for same thing. That's a pity there isn't any CLARA and CLARANS. Strange is that I can't see any computing of medians in PAM. But robusteness is about that you change computing from mean (k-means) to median and outliers can't change location of center in cluster as rapidly as in k-means.
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Answers

  • hana1hana1 Member Posts: 6 Contributor II

    Hello,

    does somebody know if this is correct. Is it the PAM Algorithm used for K-medoid also in version 7.5 ?

    thanks

  • User25198User25198 Member Posts: 1 Contributor I
    No, it is not the well-known PAM algorithm. Its an inferior algorithm. It also appears to be restricted to coordinate data.
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