A class for defining beta priors to be translated to Stan code.
Objects of class PriorBeta
should not be created directly but by
the constructor prior_beta()
.
Slots
stan_code
character. Stan implementation of the prior, with placeholders for beta stan function parameters surrounded with
{{
and}}
to be replaced withglue::glue()
.n_param
integer. Number of prior parameters (2).
constraint
character. Support of prior distribution,
"<lower=0, upper=1>"
.alpha
numeric. Shape (>=0).
beta
numeric. Shape (>=0).