| 成比例反向失效率混合模型中的随机比较 |
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| 引用本文： | 凌晓亮,李 娉.成比例反向失效率混合模型中的随机比较[J].河北科技大学学报,2009,30(1):11-12,74. |
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| 作者姓名： | 凌晓亮 李 娉 |
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| 作者单位： | 河北科技大学理学院,河北,石家庄,050018 |
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| 基金项目： | 河北科技大学科研基金 |
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| 摘 要： | 成比例反向失效率混合模型可表示为G（x）=E-F（x）^θ]，其中，G为总体变量y的分布函数，θ为随机比例参数，F为基本分布函数。研究了θ分布函数的不同选择所对应的成比例反向失效率混合模型之间的随机比较。证明了θ和y是正似然比相依的。
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| 关 键 词： | 混合 成比例反向失效率 正相依 随机序 |
| 收稿时间： | 2008/9/10 0:00:00 |
Stochastic comparisons in proportional reversed hazard rate mixing model |
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| LING Xiao-liang and LI Ping.Stochastic comparisons in proportional reversed hazard rate mixing model[J].Journal of Hebei University of Science and Technology,2009,30(1):11-12,74. |
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| Authors: | LING Xiao-liang and LI Ping |
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| Institution: | College of Sciences;Hebei University of Science and Technology;Shijiazhuang Hebei 050018;China |
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| Abstract: | The proportional reversed hazard mixing model can be expressed as G(x)=EF(x)θ],where G is the distribution function of the overall population random variable Y,θis random proportionality parameter,F(x) is the baseline distribution function.Stochastic comparisons in the proportional reversed hazard mixing models arising from different choices of the distribution of θ were studied.It is shown that θ and Y are positively likelihood ratio dependent. |
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| Keywords: | mixtures proportional reversed hazard rate positive dependence stochastic orders |
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