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Q&A for scientists using computers to solve scientific problems

declare @start datetime = (
select top 1 dateadd(day, datediff(day, getdate(), CreationDate), getdate())
from Posts
group by datediff(day, getdate(), CreationDate)
having count(*) >= ##betathreshold?10##
order by datediff(day, getdate(), CreationDate)
);

declare @stop datetime = (
select top 1 dateadd(day, datediff(day, getdate(), CreationDate), getdate())
from Posts
group by datediff(day, getdate(), CreationDate)
having count(*) >= ##betathreshold##
order by datediff(day, getdate(), CreationDate) desc
);

select dateadd(week, datediff(week, @start, CreationDate), @start) "Week of",
       vt.Name "Vote Type",
       count(*)/7.0 "Daily Average"
from Votes
     join VoteTypes vt on vt.Id = VoteTypeId
where CreationDate between @start and @stop
group by datediff(week, @start, CreationDate), vt.Name
order by datediff(week, @start, CreationDate), count(*) desc

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edited sep 29

created sep 27 Jon "not doe" Ericson