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Ellis Michael Valentiner

Principal Data Scientist & Team Lead @VirtualFacility

previously @Groundspeed, @Powerley & @FarmLogs

Organizer @AnnArborRUserGroup

    2024

  • Mar 6
    Managing Python Versions in 2024

    • 2022

  • Jan 1
    2021 Tech Stack Year in Review

    • 2020

  • Aug 8
    A Fast Method to Bulk Insert a Pandas DataFrame into Postgres

    • 2018

  • Aug 10
    How to serialize numpy.float32 (and other types) to JSON

    • 2017

  • Mar 21
    np.lib.stride_tricks

    • 2016

  • Dec 11
    Predicting credit card fraud
  • Jan 20
    numpy.float64 is JSON serializable but numpy.float32 is not

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