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Empirical likelihood-based dimension reduction inference for linear error-in-responses models with validation study 被引量:2
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作者 Wang Qihua Hardie Wolfgang 《Science China Mathematics》 SCIE 2004年第6期921-939,共19页
In this paper, linear errors-in-response models are considered in the presence of validation data on the responses. A semiparametric dimension reduction technique is employed to define an estimator of β with asymptot... In this paper, linear errors-in-response models are considered in the presence of validation data on the responses. A semiparametric dimension reduction technique is employed to define an estimator of β with asymptotic normality, the estimated empirical loglikelihoods and the adjusted empirical loglikelihoods for the vector of regression coefficients and linear combinations of the regression coefficients, respectively. The estimated empirical log-likelihoods are shown to be asymptotically distributed as weighted sums of independent X 2 1 and the adjusted empirical loglikelihoods are proved to be asymptotically distributed as standard chi-squares, respectively. 展开更多
关键词 confidence intervals error-in-response validation data
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核实数据帮助下误差在反映线性模型经验似然降维推断 被引量:9
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作者 王启华 Wolfgang Hardle 《中国科学(A辑)》 CSCD 北大核心 2004年第5期549-566,共18页
在核实数据帮助下,考虑误差在反映线性模型.半参数降维技术分别应用于定义β的渐近正态估计和β与其线性组合的被估计经验似然及调整经验似然.我们分别证明被估计的经验对数似然及其调整的经验对数似然渐近于独立卡方变量加权和的分布... 在核实数据帮助下,考虑误差在反映线性模型.半参数降维技术分别应用于定义β的渐近正态估计和β与其线性组合的被估计经验似然及调整经验似然.我们分别证明被估计的经验对数似然及其调整的经验对数似然渐近于独立卡方变量加权和的分布及标准卡方分布. 展开更多
关键词 核实数据 误差 线性模型 经验似然降维 渐近正态 渐近卡方 半参数降维技术
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