Derivations and Conjugate Priors (proportions)
This article contains derivations when applying the shrinkage methods of empirical Bayes to proportion problems.
Derivations and Conjugate Priors (average ratings)
This article contains derivations when applying the shrinkage methods of empirical Bayes to average rating problems.
Shrinkage and Empirical Bayes to improve inference
The highest and lowest rated books, films, and music are those that have very few ratings. This is because for small samples, it is easier for small fluctuations to dominate. Shrinkage is the technique for moving the average for a particular item...