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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/04/26 12:44:16 UTC

[GitHub] [arrow-rs] alamb opened a new issue #164: Implement dot-product in a compute kernel

alamb opened a new issue #164:
URL: https://github.com/apache/arrow-rs/issues/164


   *Note*: migrated from original JIRA: https://issues.apache.org/jira/browse/ARROW-11115
   
   An efficient implementation of the [dot-product|https://en.wikipedia.org/wiki/Dot_product] is useful for many machine-learning applications.
   
   I would propose to treat null as zero for the implementation. This behavior is sensible because it corresponds to dropping any observation where null-data is present. 


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