Plot of predictive distribution for binomial sampling with a beta prior
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.
predplot(prior,n,yobs)
prior |
vector of parameters for beta prior |
n |
sample size |
yobs |
observed number of successes |
Jim Albert
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)
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