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渐近无偏矩估计量(英文) 被引量:4

Asymptotically Unbiased Moment Estimators
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摘要 给出了极值指数γ的一类渐近无偏的矩型估计量,当估计量中的上端顺序统计量的个数k取得较大时,其渐近方差比较稳定,并给出了k的选择.在估计量的偏度修正过程中,给出了二阶参数ρ的估计量. In this paper, the authors give out asymptotically unbiased moment estimator, which is based on moment estimator. Furthermore, its variance is not too large even if a large number of upper-order statistics is used in applications. The bias corrected process produces an estimator of the second parameter p.
出处 《西南师范大学学报(自然科学版)》 CAS CSCD 北大核心 2006年第3期19-23,共5页 Journal of Southwest China Normal University(Natural Science Edition)
基金 西南大学青年基金资助项目(210 413050).
关键词 极值指数 无偏估计量 矩估计量 二阶参数 正规变换 extreme value index unbiased estimator moment estimator second order parameter regular variation
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参考文献19

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