Score improvements mega issue

[rubenwardy]

https://www.evanmiller.org/how-not-to-sort-by-average-rating.html (apparently used by reddit) https://en.wikipedia.org/wiki/Bayesian_average (imdb used this until 2015) https://www.dcs.bbk.ac.uk/~dell/publications/dellzhang_ictir2011.pdf

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https://stackoverflow.com/questions/1411199/what-is-a-better-way-to-sort-by-a-5-star-rating https://www.evanmiller.org/ranking-items-with-star-ratings.html

[SmallJoker]

Alternative approach: Assume an additional positive and negative review.

-> https://www.youtube.com/watch?v=8idr1WZ1A7Q