ProbitLink

class superglm.ProbitLink

Bases: object

Probit link: eta = Phi^{-1}(mu), mu = Phi(eta).

Uses the standard normal CDF. Canonical link for binomial in some traditions (latent-variable / threshold model interpretation).

deriv3_inverse(

eta: NDArray,

) → NDArray

d³μ/dη³ = (η² - 1)·φ(η). Wood (2011) Appendix D.