Jefffrey commented on issue #4259: URL: https://github.com/apache/datafusion/issues/4259#issuecomment-3337057337
> BTW, the estimate quantile algorithm doesn't follow the `paper`, any reason for this? https://github.com/apache/arrow-datafusion/blob/df8aa7a2e2a6f54acfbfed336b84144256fb7ff8/datafusion/physical-expr/src/aggregate/tdigest.rs#L523-L524 > >  I notice this wasn't ever answered: it was part of the original code which in turn was ported from another repo, see: https://github.com/MnO2/t-digest/blob/2d27fc5ae977afd95c012b080540091349151ca3/src/lib.rs#L503 If you still want to follow up on this can create a new issue. @HaoYang670 -- 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]
