国家自然科学基金(10871188)

作品数:7被引量:7H指数:1
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相关作者:吴耀华刘显慧王占锋金应华刘驰宇更多>>
相关机构:中国科学技术大学更多>>
相关期刊:《Acta Mathematicae Applicatae Sinica》《中国科学技术大学学报》《系统科学与数学》《Science China Mathematics》更多>>
相关主题:英文SCA删失回归模型MODELSMODEL更多>>
相关领域:理学农业科学更多>>
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Nonlinear Least Squares Estimation of Log-ACD Models被引量:1
《Acta Mathematicae Applicatae Sinica》2018年第3期516-533,共18页Zhao CHEN Wei LIU Christina Dan WANG Wu-qing WU Yao-hua WU 
The research was supported by the National Natural Science Foundation of China(11690014,11690015,10871188);the Research Funds of Renmin University of China(No.16XNB025);the Social Science Foundation of Beijing(No.17GLB022)
This paper studies a nonlinear least squares estimation method for the logarithmic autoregressive conditional duration(Log-ACD) model. We establish the strong consistency and asymptotic normality for our estimator u...
关键词:Log-ACD model nonlinear least squares estimation Log-GARCH model heavy-tail 
Empirical Likelihood-Based Subset Selection for Partially Linear Autoregressive Models被引量:1
《Acta Mathematicae Applicatae Sinica》2013年第4期793-808,共16页Yu HAN Ying-hua JIN Min CHEN 
Supported by the National Natural Science Foundation of China(No.10871188,10801123)
Based on the empirical likelihood method, the subset selection and hypothesis test for parameters in a partially linear autoregressive model are investigated. We show that the empirical log-likelihood ratio at the tru...
关键词:subset selection empirical likelihood partial linear autoregressive model 
Analysis of φ-divergence for Loglinear Models with Constraints under Product-multinomial Sampling
《Acta Mathematicae Applicatae Sinica》2013年第1期93-104,共12页Ying-hua JIN Yao-hua Wu 
Supported by the National Natural Science Foundation of China (No. 10871188, 10801123, 11231010);Guang-dong Province Natural Science Fund (No.S2012040007622);the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. KJCX3-SYW-S02)
The loglinear model under product-multinomial sampling with constraints is considered. The asymptotic expansion and normality of the restricted minimum C-divergence estimator (RMDE) which is a generalization of the ...
关键词:loglinear model product-multinomial sampling Restricted minimum C-divergence estimator(RMDE) C-divergence test statistics 
删失回归模型中SCAD型变量选择与估计(英文)被引量:4
《中国科学技术大学学报》2013年第3期182-189,共8页刘显慧 王占锋 吴耀华 
Supported by Natural Science Foundation of China(10871188,11101396)
删失回归模型是一种很重要的响应变量受限制的模型,它广泛应用于计量经济学中.基于SCAD罚函数,提出了SCAD型罚变量选择方法.该方法可选出重要的回归变量,即真参数中非零系数,同时给出非零参数相合估计.另外,证明了变量选择方法是相合的...
关键词:删失回归模型 变量选择 oracle性质 
Jackknifed random weighting for Cox proportional hazards model
《Science China Mathematics》2012年第4期775-786,共12页LI Xiao 1 ,WU YaoHua 2,& TU DongSheng 1 1 Cancer Research Institute,Queen’s University,Kingston,Ontario K 7L 3N6,Canada 2 Department of Finance and Statistics,University of Science and Technology of China,Hefei 230026,China 
supported by Natural Science and Engineering Research Council of Canada and National Natural Science Foundation of China (Grant No. 10871188)
The Cox proportional hazards model is the most used statistical model in the analysis of survival time data.Recently,a random weighting method was proposed to approximate the distribution of the maximum partial likeli...
关键词:Cox proportional hazards model JACKKNIFE random weighting second-order accuracy simulations survival data 
基于φ-散度的乘积多项抽样下对数线性模型的检验水平和功效(英文)被引量:1
《中国科学技术大学学报》2009年第9期897-905,共9页金应华 吴耀华 
Supported by National Natural Science Foundation of China(10871188,10801123);the Knowledge Innovation Programof the Chinese Academy of Sciences(KJCX3-SYW-S02)
考虑了乘积多项抽样下的对数线性模型.在这个模型下,文献[Jin Y H,Wu Y H.Mini mumφ-divergence esti mator and hierarchical testing in log-linear models under product-multinomial sampling.Journal of Statistical Planning a...
关键词:对数线性模型 φ-散度测度 渐近水平 渐近功效 乘积多项抽样 
序集抽样中M估计分布的随机加权逼近
《系统科学与数学》2009年第5期693-705,共13页吴耀华 刘驰宇 
国家自然科学基金(10871188);中国科学院知识创新工程(KJCX3-SYW-S02)资助课题
序集抽样是一种适用于准确测量花费太高而排序费用可以忽略不记时的一种抽样方法.讨论了序集抽样下的对于一般分布族M估计的相合性和渐近正态性并且通过随机加权的方法来估计M估计的分布.
关键词:序集抽样 M估计 随机加权 渐近正态性 
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