Logarithm of Howard's dependent prior for two proportions
Computes the logarithm of a dependent prior on two proportions proposed by Howard in a Statistical Science paper in 1998.
howardprior(xy,par)
xy |
vector of proportions p1 and p2 |
par |
vector containing parameter values alpha, beta, gamma, delta, sigma |
value of the log posterior
Jim Albert
param=c(1,1,1,1,2) p=c(.1,.5) howardprior(p,param)
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