Table 6.

AIC based on different copula families.

Phase	Gaussian	Frank	Clayton	Gumbel
I	−11.47	−194.59	−6.64	−491.19
II	−162.44	−231.15	−7.61	−425.70
III	−6.36	−330.28	−8.76	−8.40
IV	−14.65	−279.30	−9.11	−476.11