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Ellis Michael Valentiner

Principal Data Scientist & Team Lead @VirtualFacility

previously @Groundspeed, @Powerley & @FarmLogs

Organizer @AnnArborRUserGroup

    2023

  • Jan 7
    The Fastest Way to Get the Most Recent Row Per Group in Postgres

    • 2022

  • Jan 6
    Flattening JSON(b) in Postgres

    • 2020

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

    • 2019

  • Mar 18
    Discretizing data in Postgres using width_bucket

    • 2018

  • Jan 7
    Striding Data in the Database

    • 2017

  • Aug 19
    Roles and Schemas in Postgres

    • 2015

  • Aug 19
    Calculating the average of a PostGIS raster
  • Jul 16
    Parsing PostgreSQL connection strings in julia 0.3.10
  • Jun 9
    Raster misalignment, snap to grid, and null values

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