update_beta_negative_binomial
function update_beta_negative_binomial(x:Integer, k:Integer, α:Real, β:Real) -> (Real, Real)
Update the parameters of a Beta distribution with a Negative Binomial likelihood.
- x: The variate.
- k: Number of successes.
- α: Prior first shape.
- β: Prior second shape.
Returns: the posterior hyperparameters α'
and β'
.