A class for defining half normal priors to be translated to Stan code.
Objects of class PriorHalfNormal should not be created directly but by
the constructor prior_half_normal().
Slots
stan_codecharacter. Stan implementation of the prior, with placeholders for the half normal 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 normal prior, constraint is
mumunumeric. Location.
sigmanumeric. Scale (>0).