[GitHub] [arrow-datafusion] realno opened a new issue #1546: Implement `batch_update` and `batch_merge` for var and stddev operator

[GitBox <gi...@apache.org>]

realno opened a new issue #1546:
URL: https://github.com/apache/arrow-datafusion/issues/1546


   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   
   We need to change `stddev` and `var` to use batch method for more efficient calculation.
   
   **Describe the solution you'd like**
   
   Implement `batch_update` and `batch_merge` for `stddev` and `var`.
   
   **Describe alternatives you've considered**
   A clear and concise description of any alternative solutions or features you've considered.
   
   **Additional context**
   Please find the discussions in https://github.com/apache/arrow-datafusion/pull/1525
   


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[GitHub] [arrow-datafusion] alamb closed issue #1546: Implement `batch_update` and `batch_merge` for var and stddev operator

[GitBox <gi...@apache.org>]

alamb closed issue #1546:
URL: https://github.com/apache/arrow-datafusion/issues/1546


   


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