| 区间数据的均值估计 |
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| 引用本文： | 邓文丽,付婷.区间数据的均值估计[J].应用概率统计,2010,26(4):419-426. |
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| 作者姓名： | 邓文丽 付婷 |
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| 作者单位： | 江西师范大学数学与信息科学学院,南昌,330022 |
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| 基金项目： | 全国统计科研计划项目 |
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| 摘 要： | 本文在运用无偏转换思想找到区间数据均值估计的基础上,对所找到的估计量的方差进行了研究.针对区间截断情况1和区间截断情况2,找到了估计量方差有限的条件.当截断随机变量的分布在某种程度上比被截断随机变量的分布尾部更厚时,方差有限的估计量可以取到.
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| 关 键 词： | 区间数据 无偏转换 均值估计 方差 |
The Estimator of Expectation of Interval-Censored Data |
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| DENG WENGLI,FU TING.The Estimator of Expectation of Interval-Censored Data[J].Chinese Journal of Applied Probability and Statisties,2010,26(4):419-426. |
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| Authors: | DENG WENGLI FU TING |
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| Institution: | School of Mathematics and Information Science,Jiangxi Normal University |
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| Abstract: | The estimator of expectation of interval
censored data can be established by means of unbiased
transformations. In this paper, we go further to study the variances
of these estimators. In interval-censored Case 1 and
interval-censored Case 2, when the tail of the density function of
the censoring variable is thicker than that of the density function
of the censored variable to some extent, the estimators with finite
variance can be easily obtained. |
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