Displays the top X users according to their accepted answer percentage multiplied by their total number of answers, within the group of users with more than Y answers in total. Looks only at open, non-CW questions and answers. This is an excellent metric of *answerer quality*; users that not only produce answers in quantity, but of consistently high quality as well.
Q&A for programming puzzle enthusiasts and code golfers
-- Users with Top Answer Effectiveness (accepted percentage times quantity) -- Displays the top X users according to their accepted answer percentage -- multiplied by their total number of answers. -- Looks only at open, non-CW questions and answers. SELECT TOP ##MaxUsers?200## a.OwnerUserId AS [User Link], Count(a.Id) AS [Total Answers], Sum(CASE q.AcceptedAnswerId WHEN a.Id THEN 1 ELSE 0 END) AS [Accepted Answers], Round(Sum(CASE q.AcceptedAnswerId WHEN a.Id THEN 1 ELSE 0 END) * 100.0 / Count(a.Id), 2) AS [Percentage Accepted], Round(CAST(Sum(CASE q.AcceptedAnswerId WHEN a.Id THEN 1 ELSE 0 END) AS FLOAT) * (CAST(Sum(CASE q.AcceptedAnswerId WHEN a.Id THEN 1 ELSE 0 END) AS FLOAT) / Count(a.Id)), 2) AS Weighting FROM Posts AS a JOIN Posts AS q ON a.ParentId = q.Id WHERE a.OwnerUserId is not NULL AND q.postTypeId = 1 AND a.postTypeId = 2 GROUP BY a.OwnerUserId ORDER BY Weighting DESC