logpdf_lazy_inverse_gamma_gamma


function logpdf_lazy_inverse_gamma_gamma(x:Expression<Real>, k:Expression<Real>, α:Expression<Real>, β:Expression<Real>) -> Expression<Real>

Observe a compound-gamma variate.

  • x: The variate.
  • k: Shape.
  • α: Prior shape.
  • β: Prior scale.

Return: the log probability density.