3 ms·
How exactly? By adding a number (C) of average (2.5 stars) "virtual" reviews to all products? https://en.wikipedia.org/wiki/Bayesian_average https://en.wikiped
by dorgo 8y ago
How exactly? By adding a number (C) of average (2.5 stars) "virtual" reviews to all products?
https://en.wikipedia.org/wiki/Bayesian_average https://en.wikipedia.org/wiki/Bayesian_average
- in9 8y agoyou can also use of a shrunken average. If the group has much data, it has its own average, else it is just a slight deviation of the global mean.
- ddebernardy 8y agoLike so: http://www.evanmiller.org/how-not-to-sort-by-average-rating.html http://www.evanmiller.org/how-not-to-sort-by-average-rating....