zhengruifeng opened a new pull request, #37927: URL: https://github.com/apache/spark/pull/37927
### What changes were proposed in this pull request? Fix doc of `DataFrame.corr`, it should be the implementation of `Kendall` in PS has the complexity of O(#row * #row), since it apply a cross join (within each partition) to compute the statistics ### Why are the changes needed? Fix doc of `DataFrame.corr` ### Does this PR introduce _any_ user-facing change? yes, doc fixed ### How was this patch tested? manually check -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
