模型

参数的极大似然估计

负对数似然函数

AIC

BIC

威布尔

$\begin{array}{l}\widehat{\alpha }\text{=0}\text{.867}\\ \widehat{\beta }\text{=}1.974\end{array}$

158.708

321.4165

326.566

逆伽马

$\begin{array}{l}\widehat{\alpha }\text{=2}\text{.406}\\ \widehat{\beta }\text{=}2.239\end{array}$

167.213

236.512

241.661

逆伽马Pareto

$\begin{array}{l}\widehat{\theta }\text{=}1.896\\ m=76\end{array}$

221.837

445.675

448.250

指数化逆伽马Pareto

$\begin{array}{l}\widehat{\theta }\text{=}0.048\\ \widehat{\eta }=8.260\end{array}$

96.080

196.160

201.309