A Note on Conditioning and Stochastic Domination for Order Statistics

A Note on Conditioning and Stochastic Domination for Order Statistics
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DOI:
10.1239/jap/1214950369
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发表时间:
2008-06
影响因子:
1
通讯作者:
Devdatt P. Dubhashi;Olle Häggström
Devdatt P. Dubhashi;Olle Häggström
中科院分区:
数学4区
文献类型:
--
作者:
Devdatt P. Dubhashi;Olle Häggström

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对于独立但不一定同分布的随机变量集合的顺序统计量(X1:n,.,Xn:n),且任意i ∈ {1,.,n},当Xi:n > s时,(Xi +1:n,.,Xn:n)的条件分布在s中随机递增.这回答了胡和谢(2006)的一个问题。
For an order statistic (X 1:n ,…,X n:n ) of a collection of independent but not necessarily identically distributed random variables, and any i ∈ {1,…,n}, the conditional distribution of (X i+1:n ,…,X n:n ) given X i:n > s is shown to be stochastically increasing in s. This answers a question by Hu and Xie (2006).