Copula函数
参数估计
d 2
C G a ( u , v )
ρ = 0.7958
0.0220
C t ( u , v )
ρ = 0.8373 , k = 8
0.0221
C G u ( u , v )
0.0147
C C l ( u , v )
α = 1.9037
0.0925
C F ( u , v )
α = 8.2744
0.0293