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WEIGHTED SEMI-PARAMETRIC MODEL AND ANALYSIS OF
ITS APPLICATION EFFECT |
Geomatics College, Shandong University of Science and Technology, Qingdao 266590 |
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Abstract 提出一种加权半参数模型,对半参数模型中的参数分量与非参数分量分别加权,针对数据的不同特点合理确定权重。分别对模拟数据和GPS真实数据进行处理,并与最小二乘法、岭估计法和半参数模型进行对比,通过残差、均方误差等指标的对比分析可见,加权半参数估计模型得到的估计值与真值最接近,估计残差浮动平缓,均方误差小。
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Key words:
最小二乘估计
岭估计
参数估计
半参数估计
加权半参数模型
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Received: 03 July 2013
Published: 21 April 2014
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Cite this article: |
Zhao Ke,Fu Zhengqing,Liu Guolin. WEIGHTED SEMI-PARAMETRIC MODEL AND ANALYSIS OF
ITS APPLICATION EFFECT[J]. jgg, 2014, 34(2): 100-104.
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Zhao Ke,Fu Zhengqing,Liu Guolin. WEIGHTED SEMI-PARAMETRIC MODEL AND ANALYSIS OF
ITS APPLICATION EFFECT[J]. jgg, 2014, 34(2): 100-104.
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URL: |
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I2/100 |
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