| PPS估计与乘积估计的比较 |
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| 引用本文： | 闫在在. PPS估计与乘积估计的比较[J]. 信阳师范学院学报(自然科学版), 2002, 15(4): 393-396 |
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| 作者姓名： | 闫在在 |
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| 作者单位： | 内蒙古工业大学,基础部,内蒙古,呼和浩特,010062 |
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| 摘 要： | PPS放回抽样方案下对总体均值的估计与简单随机抽样方案下对总体的乘积估计是实际应用相当广泛的两种抽样方法。本文在规模指标与关心指标呈负相关的情形下比较了这两种估计的优劣。
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| 关 键 词： | 比较 PPS估计 乘积估计 超总体模型 PPS放回抽样 简单随机抽样 估计量 |
| 文章编号： | 1003-0972(2002)04-0393-04 |
Comparison of PPS estimation and product estimation |
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| YAN Zai zai. Comparison of PPS estimation and product estimation[J]. Journal of Xinyang Teachers College(Natural Science Edition), 2002, 15(4): 393-396 |
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| Authors: | YAN Zai zai |
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| Abstract: | The estimation for the population mean under PPS sampling scheme and the product estimation for population mean under simple random sampling scheme are two often methods in practice. Their theoretical research is very rich too. In the present paper, the efficiency of this two estimation is comparied in case that interest index and size index being negative related. |
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| Keywords: | PPS estimation product estimation super population model. |
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