two_p_update function

Posterior updating of two proportions

Computes posterior distribution of two proportions with a discrete prior

two_p_update(prior, s1f1, s2f2)

Arguments

• prior: prior probability matrix where the rows and columns are labeled with the values of the proportions
• s1f1: number of successes and number of failures from first sample
• s2f2: number of successes and number of failures from second sample

Returns

posterior probability matrix

Author(s)

Jim Albert

Examples

prior <- testing_prior()
  s1f1 <- c(3, 10)
  s2f2 <- c(8, 20)
  two_p_update(prior, s1f1, s2f2)