Q&A for spacecraft operators, scientists, engineers, and enthusiasts
select year(p1.creationDate), count(p1.Id), avg(p1.Score) as score_átlag, stdev(p1.Score) as score_szoras, avg(p1.ViewCount) as views_átlag, stdev(p1.ViewCount) as views_szoras, avg(datediff("hour", p1.CreationDate,p2.CreationDate)) as válaszidő_átlag, STDEV(datediff("hour", p1.CreationDate,p2.CreationDate)) as válaszidő_szórás from Posts p1, Posts p2 where p2.Id=p1.AcceptedAnswerId and p1.Tags like '%C$#%' ESCAPE '$' group by year(p1.CreationDate) order by year(p1.CreationDate) desc