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Clustering.Trainers.KMeans does not comply to MLContext seed #7429

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Clustering.Trainers.KMeans does not comply to MLContext seed#7429

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@superichmann
superichmann
opened on Mar 27, 2025

same data, same mlcontext seed, run KMeans twice and get different results. why?
please do not ask me for a reproducer as this is an easy task to reproduce, just try yourself and see it.

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  1. dotnet-policy-service
    added
    untriagedNew issue has not been triaged
    on Mar 27, 2025

  2. superichmann commented on Mar 27, 2025

    @superichmann
    superichmann
    on Mar 27, 2025
    Author

    feels like 2022 #6375

  3. superichmann commented on Mar 27, 2025

    @superichmann
    superichmann
    on Mar 27, 2025
    Author

    A further check indicates that also on KMeansPlusPlus initializer some clusters are not the same

  4. superichmann commented on Mar 27, 2025

    @superichmann
    superichmann
    on Mar 27, 2025
    Author

    fixed for plusplus thingy with NumberOfThreads = 1

  5. ericstj
    closed this as a duplicateof KMeans cluster analysis is non-deterministic when using KMeansYinyang initialization, even with fixed MLContext seed #6375 on Mar 31, 2025
  6. dotnet-policy-service
    removed
    untriagedNew issue has not been triaged
    on Mar 31, 2025
  7. github-actions
    locked and limited conversation to collaborators on May 1, 2025
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