cgivre opened a new pull request, #2729: URL: https://github.com/apache/drill/pull/2729
# [DRILL-8376](https://issues.apache.org/jira/browse/DRILL-8376): Add Distribution UDFs ## Description This PR adds several new UDFs to help with statistical analysis. They are `width_bucket` which mirrors the functionality of the POSTGRES function of the same name. (https://www.oreilly.com/library/view/sql-in-a/9780596155322/re91.html). This function is useful for building histograms of data. This also adds the `kendall_correlation` and `pearson_correlation` functions which are two function for calculating correlation coefficients of two columns. ## Documentation Updated README. ## Testing Added unit tests. -- 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: dev-unsubscr...@drill.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
