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Support "Sparse" and "Dense" vector typed columns in the DataFrame  #5690

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Support "Sparse" and "Dense" vector typed columns in the DataFrame #5690
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pgovind

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@pgovind
pgovind
opened on Jul 29, 2019

Result of feedback:
"In machine learnig, having the possbility to store sparse columns is really helpful instead of getting dense data which may use an incredible amount of memory."

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  1. pgovind
    self-assigned this
    on Jul 29, 2019
  2. pgovind
    transferred this issue fromdotnet/corefxlabon Mar 6, 2021
  3. pgovind
    added
    Microsoft.Data.Analysis
    on Mar 6, 2021

  4. rosebyte commented on Sep 3, 2026

    @rosebyte
    rosebyte
    on Sep 3, 2026
    Member

    VBufferDataFrameColumn<T> now represents both sparse and dense vectors without forcing sparse values into dense arrays.

  5. rosebyte
    closed this as completedon Sep 3, 2026
  6. github-actions
    locked and limited conversation to collaborators on Oct 4, 2026
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