Plot of prior, likelihood and posterior for a proportion

Description

For a proportion problem with a beta prior, plots the prior, likelihood and posterior on one graph.

Usage

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triplot(prior,data,where="topright")

Arguments

prior

vector of parameters for beta prior

data

vector consisting of number of successes and number of failures

where

the location of the legend for the plot

Author(s)

Jim Albert

Examples

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prior=c(3,10)  # proportion has a beta(3, 10) prior
data=c(10,6)   # observe 10 successes and 6 failures
triplot(prior,data)

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