PriorGamma-class {psborrow2}

PriorGamma Class

Description

A class for defining gamma priors to be translated to Stan code. Objects of class PriorGamma should not be created directly but by the constructor prior_gamma().

Slots

stan_code

character. Stan implementation of the prior, with placeholders for gamma 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, "<lower=0>".

alpha

numeric. Shape (>0).

beta

numeric. Inverse scale (>=0).

See Also

Other prior classes: Prior-class, PriorBernoulli-class, PriorBeta-class, PriorCauchy-class, PriorExponential-class, PriorHalfCauchy-class, PriorHalfNormal-class, PriorNormal-class, PriorPoisson-class, UniformPrior-class