Weijun-H opened a new issue, #12250: URL: https://github.com/apache/datafusion/issues/12250
### Is your feature request related to a problem or challenge? The excess kurtosis (Fisher's definition) with bias correction according to the sample size. ### Describe the solution you'd like ``` D SELECT kurtosis(col) FROM VALUES (1), (10), (100), (10), (1) as tab(col); ┌───────────────────┐ │ kurtosis(col) │ │ double │ ├───────────────────┤ │ 4.777292927667962 │ └───────────────────┘ ``` ### Describe alternatives you've considered _No response_ ### Additional context https://clickhouse.com/docs/en/sql-reference/aggregate-functions/reference/kurtsamp https://duckdb.org/docs/sql/functions/aggregates#kurtosisx -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org
