双定数混合截尾下两参数Pareto分布的统计分析

双定数混合截尾下两参数Pareto分布的统计分析

龙兵,张忠占

Statistical Analysis of Two-Parameter Pareto Distribution Under Double Type-Ⅱ Hybrid Censoring Scheme

Bing Long,Zhongzhan Zhang

表 1 α已知时, θ的估计

n	(α, θ)	m₁	m₂	t₀	$\hat{\theta}_M$	$\hat{\theta}_{B1}$	$\hat{\theta}_{B2}$	$\hat{\theta}_{B3}$
20	(6, 2)	9	12	8	2.1378	2.0942	1.9327	1.9298
					(0.2663)	(0.2178)	(0.2021)	(0.2188)
	(7, 3)	11	16	9	3.1269	2.8987	2.6540	2.7132
					(0.2270)	(0.1880)	(0.1951)	(0.2026)
30	(6, 2)	13	18	8	2.0730	2.0559	1.9437	1.9417
					(0.2170)	(0.1903)	(0.1816)	(0.1922)
	(7, 3)	16	23	9	3.0643	2.9136	2.7320	2.7799
					(0.1851)	(0.1640)	(0.1696)	(0.1742)
50	(6, 2)	22	30	8	2.0394	2.0342	1.9634	1.9623
					(0.1612)	(0.1492)	(0.1473)	(0.1527)
	(7, 3)	26	39	9	3.0282	2.9415	2.8256	2.8588
					(0.1465)	(0.1366)	(0.1393)	(0.1418)