A class for defining half cauchy priors to be translated to Stan code.
Objects of class PriorHalfCauchy should not be created directly but by
the constructor prior_half_cauchy().
Slots
stan_codecharacter. Stan implementation of the prior, with placeholders for the half cauchy stan function parameters surrounded with
{{and}}to be replaced withglue::glue().n_paraminteger. Number of prior parameters (2).
constraintcharacter. Support of prior distribution. In a half cauchy prior, constraint is
mumunumeric. Location.
sigmanumeric. Scale (>0).