app/models/flexible_feeds/event.rb in flexible_feeds-0.1.0 vs app/models/flexible_feeds/event.rb in flexible_feeds-0.2.1

@@ -48,12 +48,9 @@
     end
 
     # Thanks to Evan Miller
     # http://www.evanmiller.org/how-not-to-sort-by-average-rating.html
     def calculate_popularity(pos, n)
-      return 0 if n == 0
-      z = 1.96
-      phat = 1.0*pos/n
-      (phat + z*z/(2*n) - z * Math.sqrt((phat*(1-phat)+z*z/(4*n))/n))/(1+z*z/n)
+      PopularityCalculator.new(pos, n).get_popularity
     end
   end
 end