pbetat: Bayesian test of a proportion

In LearnBayes: Functions for Learning Bayesian Inference

Description

Bayesian test that a proportion is equal to a specified value using a beta prior

Usage

pbetat(p0,prob,ab,data)

Arguments

p0	value of the proportion to be tested
prob	prior probability of the hypothesis
ab	vector of parameter values of the beta prior under the alternative hypothesis
data	vector containing the number of successes and number of failures

Value

bf	the Bayes factor in support of the null hypothesis
post	the posterior probability of the null hypothesis

Author(s)

Jim Albert

Examples

p0=.5
prob=.5
ab=c(10,10)
data=c(5,15)
pbetat(p0,prob,ab,data)

Example output

$bf
[1] 0.3893163

$post
[1] 0.2802215

LearnBayes documentation built on May 1, 2019, 7:03 p.m.