Other approach for non binary ratings is to use the true Bayesian estimate, which uses all the platform ratings as the prior probability. This is what IMBD uses in its Top 250: "The following formula is used to…
> To expand its user base, Power asked users to provide their Facebook credentials and then—with their permission—sent Power.com invitations to their Facebook friends. Facebook, naturally, didn't appreciate this…
Other approach for non binary ratings is to use the true Bayesian estimate, which uses all the platform ratings as the prior probability. This is what IMBD uses in its Top 250: "The following formula is used to…
> To expand its user base, Power asked users to provide their Facebook credentials and then—with their permission—sent Power.com invitations to their Facebook friends. Facebook, naturally, didn't appreciate this…