参数 Copula | 金沙江 | 嘉陵江 | 岷江 | 沱江 | 乌江 |
金沙江 | — | Frank | Clayton | Clayton | Clayton |
嘉陵江 | −0.74(0.71) | — | Gumbel | Gumbel | Normal |
岷江 | 0.41(0.60) | 1.09(0.10) | — | Clayton | t |
沱江 | 0.43(0.49) | 1.23(0.94) | 1.21(0.38) | — | Frank |
乌江 | 0.30(0.39) | −0.25(0.91) | 0.04, 2.0(0.81) | −0.45(0.94) | — |