Computes the log-likelihood for i.i.d. beta observations.
L(α,β|x) = n*[log(Γ(α+β)) - log(Γ(α)) - log(Γ(β))] +
(α-1)*Σlog(xᵢ) + (β-1)*Σlog(1-xᵢ)
Usage
loglik_beta(alpha, beta, x)
Arguments
- alpha
Shape parameter α (value object), must be positive
- beta
Shape parameter β (value object), must be positive
- x
Numeric vector of observations in (0,1)
Value
A value object representing the log-likelihood