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A class for defining half normal priors to be translated to Stan code. Objects of class HalfNormalPrior should not be created directly but by the constructor half_normal_prior().

Slots

stan_code

character. Stan implementation of the prior, with placeholders for the half normal stan function parameters surrounded with {{ and }} to be replaced with glue::glue().

n_param

integer. Number of prior parameters (2).

constraint

character. Support of prior distribution. In a half normal prior, constraint is mu

mu

numeric. Location.

sigma

numeric. Scale (>0).