logpdf_normal_inverse_gamma
function logpdf_normal_inverse_gamma(x:Real, μ:Real, a2:Real, α:Real, β:Real) -> Real
Observe a normal inverse-gamma variate.
- x: The variate.
- μ: Mean.
- a2: Variance scale.
- α: Shape of inverse-gamma on variance.
- β: Scale of inverse-gamma on variance.
Returns: the log probability density.