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AI 根据所提供的论文材料归类:摘要以重复实验的方差分量估计为主题,提及他人的时间序列应用不足以将本文归入时间序列。

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关注这篇论文的作者
K. G. Brown

MINQUE类方差分量估计量的渐近行为

研究问题
当数据可视为较小实验的独立同分布向量重复时,MINQUE及其迭代版本的方差分量估计有何极限分布与效率性质?
方法与思路
作者在独立重复向量数量增大的框架下扩展已有定理,推导MINQUE与I-MINQUE的极限分布并比较其性质。
材料陈述的贡献
摘要称两者均一致;I-MINQUE的极限分布不依赖范数选择,且正态条件下渐近有效,而MINQUE相应性质取决于设计。
阅读关注点
应核对实验重复结构、分布假设、迭代程序与范数的作用,以及正态条件下与最大似然估计渐近等价的准确条件。
阅读边界
仅据OpenAlex索引摘要,稿件版本未注明;渐近有效性附有正态条件,不能理解为任意设计或分布下均成立,也未说明有限样本表现。

原文摘要

The limiting distributions are obtained for two estimators of variance components: C. R. Rao's MINQUE, and an estimator produced by an iterative procedure, referred to as I-MINQUE. Limits are taken as the number of independent and identically distributed vector observations on the model assumed gets large. This approach provides the asymptotics of interest when an experiment with a large number of observations can be thought of as independent replications of a smaller experiment, a condition applying to some common experimental designs. The main result, from which the limiting distributions are obtained, is essentially an extension of a theorem due to T. W. Anderson (1973), who provides an application in time series. Both estimators considered here are consistent, and require only modest assumptions on the sampled distribution. The I-MINQUE has a limiting distribution which is functionally independent of the choice of norm; when it is further assumed that the sampled distribution is normal, the estimator is asymptotically equivalent to the m.1.e. and asymptotically efficient. The MINQUE itself is less robust in the sense that these two properties do not always apply, the conditions being dependent on the choice of design.

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