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How to access to membership probablity?

farzanefarzane Member Posts: 6 Learner I
edited June 2020 in Help
Hi
I'm using Rapidminer 7.1.1. I have some reviews and want to do clustering using k-means, I need to have access to membership probability of each review. Is there any parameter in k-means clustering operator? Is this possible at all?

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Answers

  • sara20sara20 Member Posts: 110 Unicorn
    @farzane,

    Hello

    Unfortunately you use very old version of RM, so it is very difficult to answer you according to version 7.1.1. 

    Regards
    Sara
  • MartinLiebigMartinLiebig Administrator, Moderator, Employee-RapidMiner, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,533 RM Data Scientist
    i think one way of doing it would be to take the centroids of kmeans (Extract Cluster Prototypes) and then do crossdistance to your table. This gives you the distances of each point to each cluster. From there you need to think about normalization of this.

    Best,
    Martin
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
  • farzanefarzane Member Posts: 6 Learner I
    @sara20
    In other new versions, Can I easily get membership probabilities?
  • farzanefarzane Member Posts: 6 Learner I
    @mschmitz
    Hi, thank you for your answer.
    how about fuzzy c-means? can this method give me membership probabilities? 

    Bests
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