Documentation

Copula.Rank.Symmetry

← Mathematical handbook

Symmetry identities for population concordance coefficients #

theorem ProbabilityTheory.Copula.integral_reflect {d : ℕ} (C : Copula d) (s : Finset (Fin d)) (f : (Fin d → ↑unitInterval) → ℝ) (hf : Measurable f) :
∫ (x : Fin d → ↑unitInterval), f x ∂(C.reflect s).toMeasure = ∫ (x : Fin d → ↑unitInterval), f (reflectPoint s x) ∂C.toMeasure
theorem ProbabilityTheory.Copula.integral_transpose (C : Copula 2) (f : (Fin 2 → ↑unitInterval) → ℝ) (hf : Measurable f) :
∫ (x : Fin 2 → ↑unitInterval), f x ∂C.transpose.toMeasure = ∫ (x : Fin 2 → ↑unitInterval), f ![x 1, x 0] ∂C.toMeasure