theorem fisherInfoRho_nonneg [NeZero J] (x : Fin J → ℝ) (hx : ∀ j, 0 < x j) (ρ : ℝ) : 0 ≤ fisherInfoRho x ρ := escort_variance_nonneg x hx ρ _
thesis/CESProofs/Foundations/CESEstimation.lean:476
CES Estimation Theory: Connecting Theory to Data