Kibana: Look into accuracy of movingstd() in Timelion
There have been reports of discrepancies in the movingstd() function in Timelion, we should look into that.
More details here: https://github.com/elastic/timelion/issues/177
tbragin
All 5 comments
@polyfractal per our chat, feel free to work with @thomasneirynck on this if you have any insights. would be good to get your input.
tbragin
on 9 Jan 2017
similar issue logged here: https://discuss.elastic.co/t/timelions-movingstd-vs-kibanas-standard-deviation/50373
thomasneirynck
on 10 Feb 2017
@thomasneirynck @polyfractal @alexfrancoeur since we don't have time to look into it, should we mark this function as "experimental" for now, like we do with some other functions in Timelion?
tbragin
on 21 Mar 2017
Should we maybe just yank it for now? At this point it's probably just classified as "buggy" rather than experimental, since it's giving potentially incorrect values.
I'm unfortunately still underwater with other work, too much to do at the moment on other projects and not enough time to spin up a kibana dev environment again :/
polyfractal
on 27 Mar 2017
This has been fixed with https://github.com/elastic/kibana/pull/15911
thomasneirynck
on 16 Mar 2018
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@polyfractal per our chat, feel free to work with @thomasneirynck on this if you have any insights. would be good to get your input.