SITE HEALTH VALUE from Area51 statistics -> Percentage Answered Total Questions vs. Accepted posts + Unaccepted with answer voted 1+ (=Answered)
Q&A for amateur radio enthusiasts
WITH Answers AS ( /* unique answers with best score per question */ SELECT ParentId AS Id, MAX(Score) AS Score FROM Posts WHERE PostTypeId = 2 GROUP BY ParentId ) , Counts AS ( SELECT /* Count for questions joined with answers */ COUNT(*) AS Asked, SUM(IIF(A.Id IS NULL, 0, 1)) AS Answered, SUM(IIF(Q.AcceptedAnswerId IS NULL, 0, 1)) AS Accepted, SUM(IIF(Q.AcceptedAnswerId IS NULL AND A.Score > 0, 1, 0)) AS VotedNotAccepted, SUM(IIF(Q.ClosedDate IS NULL, 1, 0)) AS AskedNotClosed, SUM(IIF(A.Id IS NULL OR Q.ClosedDate IS NOT NULL, 0, 1)) AS AnsweredNotClosed, SUM(IIF(Q.AcceptedAnswerId IS NULL OR Q.ClosedDate IS NOT NULL, 0, 1)) AS AcceptedNotClosed, SUM(IIF(Q.AcceptedAnswerId IS NULL AND A.Score > 0 AND Q.ClosedDate IS NULL, 1, 0)) AS VotedNotAcceptedNotClosed FROM Posts Q LEFT OUTER JOIN Answers A ON Q.Id = A.Id WHERE Q.PostTypeId = 1 AND Q.CreationDate <= DateAdd(week, -2, Convert( datetime, ##SEDEupdated:string?2016-08-28 08:00:00## )) ) SELECT Asked, Answered, Cast(Cast( Answered / CAST(Asked AS FLOAT) *100 as decimal(18,2)) as varchar(5)) + ' %' AS "%Answered", Accepted, VotedNotAccepted, (Accepted + VotedNotAccepted) AS AcceptedOrVoted, Cast(Cast( (Accepted + VotedNotAccepted) / CAST(Asked AS FLOAT) *100 as decimal(18,2)) as varchar(5)) + ' %' AS "%AcceptedOrVoted", AskedNotClosed, AnsweredNotClosed, Cast(Cast( AnsweredNotClosed / CAST(AskedNotClosed AS FLOAT) *100 as decimal(18,2)) as varchar(5)) + ' %' AS '%AnsweredNotClosed', AcceptedNotClosed, VotedNotAcceptedNotClosed, (AcceptedNotClosed + VotedNotAcceptedNotClosed) AS AcceptedOrVotedNotClosed, Cast(Cast( (AcceptedNotClosed + VotedNotAcceptedNotClosed) / CAST(AskedNotClosed AS FLOAT) *100 as decimal(18,2)) as varchar(5)) + ' %' AS "%AcceptedOrVotedNotClosed" FROM Counts