R: Plot of predictive distribution for binomial sampling with a...

predplot {LearnBayes} | R Documentation

## Plot of predictive distribution for binomial sampling with a beta prior

### Description

For a proportion problem with a beta prior, plots the prior predictive distribution of the number of successes in n trials and displays the observed number of successes.

### Usage

    predplot(prior,n,yobs)

### Arguments

`prior` | vector of parameters for beta prior
`n` | sample size
`yobs` | observed number of successes

### Author(s)

Jim Albert

### Examples

    prior=c(3,10)  # proportion has a beta(3, 10) prior
    n=20   # sample size
    yobs=10  # observed number of successes
    predplot(prior,n,yobs)

[Package LearnBayes version 2.15 Index]