| 观测值对最小二乘估计的影响 |
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| 引用本文： | 庄常陵.观测值对最小二乘估计的影响[J].绍兴文理学院学报,2006,26(3):30-32,38. |
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| 作者姓名： | 庄常陵 |
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| 作者单位： | 襄樊学院数学系 湖北襄樊441053 |
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| 摘 要： | 利用平差因子讨论了在Gauss-Markov模型中,去掉一个观测值对最小二乘估计的影响,并讨论了当平差因子Jii接近1时,去掉对应的观测值会引起解差的异常.
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| 关 键 词： | Gauss—Markov模型 平差因子 观测值 最小二乘估计 |
| 文章编号： | 1008-293X（2006）09-0030-03 |
| 收稿时间： | 2006-08-11 |
Influence of Observation to the Least Square Estimator |
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| Zhuang Changling.Influence of Observation to the Least Square Estimator[J].Journal of Shaoxing College of Arts and Sciences,2006,26(3):30-32,38. |
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| Authors: | Zhuang Changling |
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| Abstract: | We discussed the influence of removing one observation with adjustmentfactors to the least squares estimator in Gauss-Markov Model;we also discussed the abnormality of solution difference of removing the corresponding observationsas the adjustment factors approach 1. |
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| Keywords: | Gauss - Markov Model observations least square estimator |
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