[Gllug] Algorithm question for your Friday morning

[John Winters]

Adrian McMenamin wrote:
[snip]
> 
> Well I was hoping for an engineering heuristic :) - and I do have some
> recorded means, yes: one for every hour for the last 20, one every day for
> last 20, and similarly for week and month

Are these rolling means or cumulative means?  Do you also have a record 
of how many people/votes were involved in the calculation of each mean? 
  If so there may be scope for recovering enough information to be useful.

John
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