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[Search][Dashboard] Well-behaved searchers filter: ZRR
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This task will act as a proof of concept for T150370. Namely, this task requires a separate calculation of zero results rate for searches made by "well-behaved searchers" and then surfacing that ZRR on the search metrics dashboard.

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@TJones & @Deskana: for this, do you want the overall ZRR from well-behaved searches or broken down in some way? e.g. type (completion suggester vs full-text) or wiki? (In which case it would be added to

Change 353162 had a related patch set uploaded (by Bearloga; owner: Bearloga):
[wikimedia/discovery/golden@master] [WIP] Add ZRR from well-behaved searchers

Breaking it down by type does seem handy. What does @TJones think?

D'oh—vacation + offsite + hackathon = delay.

I don't want to ask for too much, but I would be most interested in a breakdown by wiki, but completion suggester vs full-text would be a close second!

I can't think of any other way I'd want to slice it at the moment.

Change 353162 abandoned by Bearloga:
[WIP] Add ZRR from well-behaved searchers

Not likely to get back to this :\

debt removed a project: Patch-For-Review.
debt moved this task from Backlog to Done on the Discovery-Analysis (Current work) board.

We won't be able to get back to this additional work—but hey!—check out this cool dashboard where we can look at things like the Azerbaijani wikipedia and their ZRR for the last 30-ish days:

azerbaijani-wiki-ZRR.png (636×1 px, 244 KB)