Estimation & Inference2026-08-28explainerestimationinferencemlescorefisher‑informationnewton‑raphsonwaldlikelihood‑ratioanovaregressionstatisticshow regression models are estimated and judged, from MATH5806: score and fisher information, newton-raphson and the method of scoring, the wald/score/likelihood-ratio trio, and exact t and F inference in the linear gaussian model.