The formula for calculating the Top Rated 250 Titles gives a true Bayesian estimate:posted by Sys Rq at 9:48 AM on November 4, 2012 [1 favorite]
weighted rating (WR) = (v ÷ (v+m)) × R + (m ÷ (v+m)) × C
where:
R = average for the movie (mean) = (Rating)
v = number of votes for the movie = (votes)
m = minimum votes required to be listed in the Top 250 (currently 25000)
C = the mean vote across the whole report (currently 7.1)
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posted by iamkimiam at 6:27 AM on November 4, 2012