stephan.poetschner + rating   12

Bayesian ranking of items with up and downvotes or 5 star ratings
> simple formulas like score = upvotes - downvotes or score = upvotes / (upvotes + downvotes) don’t work.
> In this post we’ll explore an alternative method with the following advantages:
> 1. Simpler formulas
> 2. Optimized for what we actually want to achieve with a ranking
> 3. Easily generalized to more than 2 vote options, such as 5 star rating
rating  algorithms  django-vienna  python 
november 2015 by stephan.poetschner
How Not To Sort By Average Rating
CORRECT SOLUTION: Score = Lower bound of Wilson score confidence interval for a Bernoulli parameter
rating  best-practice 
april 2012 by stephan.poetschner

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