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Spline Smoothing for Estimation of Circular Probability Distributions via Spectral Isomorphism and its Spatial Adaptation
Non-parametric density estimation circular data Smoothing Spline empirical Fourier coeffcients Fourier Basis Detection of Localisation Edge preserving function estima-tion
2012/11/22
Consider the problem when $X_1,X_2,..., X_n$ are distributed on a circle following an unknown distribution $F$ on $S^1$. In this article we have consider the absolute general set-up where the density ...
We consider the testing and estimation of change-points -- locations where the distribution abruptly changes -- in a data sequence. A new approach, based on scan statistics utilizing graphs representi...
Identification and well-posedness in nonparametric models with independence conditions
Identification well-posedness nonparametric models independence conditions
2012/11/22
This paper provides a nonparametric analysis for several classes of models, with cases such as classical measurement error, regression with errors in variables, factor models and other models that may...
Restricting exchangeable nonparametric distributions
Restricting exchangeable nonparametric distributions
2012/11/22
Distributions over exchangeable matrices with infinitely many columns, such as the Indian buffet process, are useful in constructing nonparametric latent variable models. However, the distribution imp...
Spatial two tissue compartment model for DCE-MRI
Gaussian Markov randomelds hierarchical Bayesia nmodel multi-compartment models nonlinear regression oncology spatial regularisation
2012/11/22
In the quantitative analysis of Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) compartment models allow to describe the uptake of contrast medium with biological meaningful kinetic par...
近日，浙江大学出版社编制出台《学术著作出版规范》，针对学术著作出版的过程，对书稿的格式、要素、流程和版式等方面提出明确要求。据了解，这是我国出版社出台的第一部学术著作出版规范，将于2012年4月1日起在浙大出版社试行。
人才外流促进人力资本积累
人才外流 人力资本积累 格兰杰因果关系检验 向量自回归模型
2012/2/27
在VAR模型框架内,检验了我国人力资本与高教育移民率之间的Granger因果关系,估计了两者之间的传递函数模型,证实了人才外流促进人力资本积累的"正"经济效应的存在,并分析了移民率变化对人力资本存量增长的传递机制。
Discussion of "Riemann manifold Langevin and Hamiltonian Monte Carlo methods'' by M. Girolami and B. Calderhead
Riemann manifold Langevin Hamiltonian Monte Carlo methods
2010/11/8
This technical report is the union of two contributions to the discussion of the Read Paper Riemann manifold Langevin and Hamiltonian Monte Carlo methods (Calderhead and Girolami, 2010), presented in ...
Uniform Central Limit Theorems for Multidimensional Diffusions
Uniform Central Limit Theorems Multidimensional Diffusions
2010/10/19
It has recently been shown that there are grave differences in the regularity behavior of the empirical process based on scalar diffusions as compared to the classical empirical process, due to the e...
Asymptotic minimax risk of predictive density estimation for non-parametric regression
asymptotic minimax risk convergence rate non-parametric regression
2010/10/19
We consider the problem of estimating the predictive density of future observations from a non-parametric regression model. The density estimators are evaluated under Kullback--Leibler divergence and ...
An empirical Bayes mixture method for effect size and false discovery rate estimation
Empirical Bayes false discovery rate effect size estimation
2010/10/19
Many statistical problems involve data from thousands of parallel cases. Each case has some associated effect size, and most cases will have no effect. It is often important to estimate the effect siz...
On the Existence of the MLE for a Directed Random Graph Network Model with Reciprocation
Algebraic statistics Dyadic independence Exponential random graph model
2010/10/14
Holland and Leinhardt (1981) proposed a directed random graph model, the p1 model, to describe dyadic interactions in a social network. In previous work (Petrovic et al., 2010), we studied the algebra...
区间型符号数据回归分析及其应用
符号数据 回归分析 区间数 误差传递
2012/3/16
介绍了符号数据分析方法的基本理论.针对一种最常用的符号数据——区间型符号数据,基于误差传递的理论,提出了区间回归分析的方法.方法包括了线性回归分析和可线性化的非线性回归分析两种情形.讨论了基于Hausdorff距离的区间数距离,基于此定义了回归模型的评价指标.进行了方法的应用研究,选取沪深300指数与中信规模风格指数,从时间维上对其日内数据进行"数据打包",形成区间型符号数据;建立了区间线性回归分...
建设和谐社会进程中我国社会性规制的发展趋势——基于立法数量的统计实证分析
和谐社会 社会性规制 统计分析 立法数量
2009/10/16
自建国以来,我国社会性规制经历了不同的发展时期,与社会发展的各阶段基本战略息息相关。利用权威专业全文数据库进行检索和分析,可以更深层次和更清晰地了解各时期社会性规制的特点,推动我国社会性规制体系的完善,加快和谐社会进程。