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Posted to issues@beam.apache.org by "Andy Ye (Jira)" <ji...@apache.org> on 2022/03/15 21:11:00 UTC

[jira] [Created] (BEAM-14107) DataFrame API: Refactor GroupBy

Andy Ye created BEAM-14107:
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             Summary: DataFrame API: Refactor GroupBy
                 Key: BEAM-14107
                 URL: https://issues.apache.org/jira/browse/BEAM-14107
             Project: Beam
          Issue Type: Improvement
          Components: dsl-dataframe, sdk-py-core
            Reporter: Andy Ye


Implement GroupBy in a different way, to support deferred operations. We'd like to support
 * Grouper objects
 * len(GroupBy) and ngroups
 ** if groupers are all categorical _and_ observed=False or all boolean



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