beta_diff: Closed form solution for difference between two beta...

In Agasax/laRs: Personal convenience functions

Closed form solution for difference between two beta distribution

Description

Closed form solution for difference between two beta distribution

Usage

beta_diff(
  event_a,
  n_a,
  event_b,
  n_b,
  prior = c("uniform", "jeffrey", "empirical", "half_empirical"),
  sample = NULL
)

Arguments

event_a	number of events in group a
n_a	size group a
event_b	number of events in group b
n_b	size group b
prior	prior for beta distribution, either 'uniform','jeffrey' or 'emprirical'
sample	size of samples

Value

Posterior probaiblity of superiority

References

exact solution function, based on https://www.evanmiller.org/bayesian-ab-testing.html#binary_ab

Examples

beta_diff(10,11,1,11)

Agasax/laRs documentation built on Oct. 21, 2022, 3:09 p.m.