基于GAMLSS模型的水文干旱指数研究——以玛纳斯河流域为例
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陈伏龙, 杨宽, 蔡文静, 龙爱华, 何新林
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Study on hydrological drought index based on GAMLSS: Taking Manas River Basin as an example
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CHEN Fulong, YANG Kuan, CAI Wenjing, LONG Aihua, HE Xinlin
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表6 最优Copula函数的筛选结果
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Tab. 6 Filter results for the optimal Copula function
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| 指数 | Copula函数 | 参数 | K-S统计值 | OLS | AIC | SRIns
| clayton | 6.8090 | 0.1121 | 0.0058 | -605.7858 | | frank | 14.5500 | 0.1152 | 0.0037 | -659.2994 | | gumbel | 3.9560 | 0.1130 | 0.0018 | -747.2048 | | joe | 6.0030 | 0.1153 | 0.0011 | -800.0940 | SRIs
| clayton | 6.8440 | 0.0926 | 0.0003 | -897.3907 | | frank | 15.3100 | 0.0881 | 0.0002 | -921.8078 | | gumbel | 4.2790 | 0.0794 | 0.0003 | -907.4155 | | joe | 6.1930 | 0.0832 | 0.0001 | -971.2147 |
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