**Reporter**: [Ian Cook](https://issues.apache.org/jira/browse/ARROW-13620) / @ianmcook **Assignee**: [Nicola Crane](https://issues.apache.org/jira/browse/ARROW-13620) / @thisisnic #### Related issues: - [[R] Binding for n_distinct() with no grouping](https://github.com/apache/arrow/issues/29634) (is related to) - [[R] Bindings for count aggregation](https://github.com/apache/arrow/issues/29159) (is related to) - [[C++] Implement ScalarAggregateOptions for count_distinct (grouped) ](https://github.com/apache/arrow/issues/29392) (is related to) - [[R] Rename na.min_count to min_count and na.rm to skip_nulls](https://github.com/apache/arrow/issues/29446) (is related to) - [[C++][Compute] Implement count_distinct/distinct hash aggregate kernels ](https://github.com/apache/arrow/issues/28470) (depends upon) #### PRs and other links: - [GitHub Pull Request #11009](https://github.com/apache/arrow/pull/11009) <sub>**Note**: *This issue was originally created as [ARROW-13620](https://issues.apache.org/jira/browse/ARROW-13620). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*</sub>
Reporter: Ian Cook / @ianmcook
Assignee: Nicola Crane / @thisisnic
Related issues:
PRs and other links:
Note: This issue was originally created as ARROW-13620. Please see the migration documentation for further details.