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设{X_n}为一串iid.随机变量,h(x,y)为两个变元x,y的对称函数,则称 U_n=(?)~(-1) sum from (i≤i相似文献
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In this paper,the authors consider the problem of change points within the framework of model selection and propose a procedure for estimating the locations of change points when the number of change points is known.The strong consistency of this procedure is also established. The problem of detecting change points is discussed within the framework of the simultaneous test procedure.The case where the number of change points is unknown will be discussed in another paper. 相似文献
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两总体分位数差异的经验似然比置信区间 总被引:1,自引:0,他引:1
本文构造了两总体分位数差异的一类似然比统计量,在较一般的条件下证明了统计量的极限分布为χ2-分布. 相似文献
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设(了,Y),(Jl,Y户,…,(X。,Y劝为j.i.d.的d‘1维随机向量,E}Y}o,艺%,一1. 感=1(万,,Y。)按照对固定的二任R‘,将(了,,YD,,二}JR,一川}成!}X?:一洲}(…《{X凡一刘…的次序重新排列,约定}{万‘一川一}}J,一刻而‘相似文献
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X1,…,Xm;Y1,…,Yn为独立随机样本,X,X1,…,Xm同分布,X-F,F(0)=0,Y,Y1,…,Ynm同分布,Y的分布函数为G(y)=1/μ∫yω(t,β)dF(t),y≥0,其中,β∈R,μ=∫0^∞ω(t,β)dF(t),0〈μ,ω(t,β)〈∞,F,μ和β均未知,ω(t,β)的形式已知,设θ为一待估参数,且存在一已知函数ψ(X,θ)满足EFψ(X,θ)=0,本文利用经验似然法给出 相似文献