setDefaults1: Set default values for the one-sample (ZI)PoGa model formulation
Description
Set default values for the one-sample (ZI)PoGa model formulation
Usage
setDefaults1(priors.mu, priors.phi, priors.psi)
Arguments
priors.mu
named list with hyperprior specifications for $\mu$,
containing elements hyperpars and proposalDist
priors.phi
named list with hyperprior specifications for the overdispersion parameter $\phi$,
containing elements hyperpars, proposalDist (unif or gamma) and
in the case of a uniform proposal also a tuning parameter v
priors.psi
named list with hyperprior specifications for the prevalence $\psi$,
containing elements hyperpars
Value
A named list with prior specifications for $\mu$, $\phi$
and $\psi$.
Default prior distributions are:
mugamma[1, 0.001]
phigamma[1, 0.1]
psibeta[1, 1]
Default proposal distributions for $\mu$ and $\phi$ are:
muapproximating inverse gamma, gamma or lognormal distribution
phiunif[max(current.value - v,0), current.value + v], with $v=0.5$