Bayesian spatial models with repeated measurements: with application to the herbaceous data analysis

This paper proposes a new statistical spatial model to analyze and predict the coverage percentage of the upland ground flora in the Missouri Ozark Forest Ecosystem Project (MOFEP). The flora coverage percentages are collected from clustered locations, which requires a new spatial model other than the traditional kriging method. The proposed model handles this special data structure by treating the flora coverage percentages collected from the clustered locations as repeated measurements in a Bayesian hierarchical setting. The correlation among the observations from the clustered locations are considered as well. The total vegetation coverage data in MOFEP is analyzed in this study. An Markov chain Monte Carlo algorithm based on the shrinkage slice sampler is developed for simulation from the posterior densities. The total vegetation coverage is modeled by three components, including the covariates, random spatial effect and correlated random errors. Prediction of the total vegetation coverage at unmeasured locations is developed.     

俄罗斯的土著小民族:人口、语言状况及国家法律支持

在俄罗斯有关民族的文献中,"少数民族"、"主体民族"、"土著民族"和"土著小民族"等概念屡有提及.本文在介绍"土著民族"和"土著小民族"概念的基础上,根据俄罗斯联邦2002年的人口普查资料,分析俄罗斯土著小民族的人口和语言状况,并对国家相关法律保障措施及土著小民族的社会发展前景进行评述和预测.     

Adaptive kernel scaling support vector machine with application to a prostate cancer image study

The support vector machine (SVM) is a popularly used classifier in applications such as pattern recognition, texture mining and image retrieval owing to its flexibility and interpretability. However, its performance deteriorates when the response classes are imbalanced. To enhance the performance of the support vector machine classifier in the imbalanced cases we investigate a new two stage method by adaptively scaling the kernel function. Based on the information obtained from the standard SVM in the first stage, we conformally rescale the kernel function in a data adaptive fashion in the second stage so that the separation between two classes can be effectively enlarged with incorporation of observation imbalance. The proposed method takes into account the location of the support vectors in the feature space, therefore is especially appealing when the response classes are imbalanced. The resulting algorithm can efficiently improve the classification accuracy, which is confirmed by intensive numerical studies as well as a real prostate cancer imaging data application.     

论唐代洛阳的书画艺术

唐代洛阳是全国书画艺术最为发达的地区之一 ,云集了大批书法家、画家。书法绘画艺术领域里的新变化几乎均发生在这里。究其原因 ,一方面是因为这里有良好的文化艺术基础和氛围 ;另一方面 ,这里是仅次于长安的全国政治、经济、文化中心 ,是一个举世闻名的大都会     

论少数民族人权的特殊保护——从国际人权立法与实践的视角

系统地认识国际人权立法与实践中关于少数民族人权的特殊保护,对我国少数民族人权保护有着重要的借鉴意义.本文拟就少数民族人权特殊保护的涵义、少数民族的特殊权利、少数民族特殊保护中的国家义务、少数民族特殊保护的限度、少数民族特殊权利的限制和克减等内容,从国际人权立法与实践的视角展开分析和论述.     

对大学英语教学中大众文化教育的思考

本文旨在讨论现今国内并存的普及教育和精英教育的某些问题。各大外国语院校应该明确各校的性质,各自发展的同时能够体现出本校特色。应该强调大众文化在教育中的作用,不同文化的比较有助于提高学生的批判性思维能力。     

流动人口计划生育管理服务的新模式——张家港市流动人口计生工作调查与研究

近年来,随着经济的快速发展,张家港市流动人口以平均每年8万~10万人的规模快速增长。到2006年底,登记的暂住人口已达到56.5万人,其中育龄妇女23万多人。面对流动人口的大量增加给计划生育管理服务带来了新情况、新矛盾和新问题。张家港市以改革创新的精神,积极探索,大胆实践,创     

西方解释学的哲学转型的一个重要动力

西方解释学的哲学转型是在德国完成的,它的第一个阶段直接和路德的宗教改革有关,后者的“唯有圣经”的原则推动了字义解释的发展以及圣经解释学和语文解释学的结合,同时近代启蒙的理性精神以及由此开始兴起的历史意识,激发了人们对超越具体内容解释的一般方法论的兴趣,最后在浪漫主义的代表施莱尔马赫那里导致了一门真正的作为哲学的解释学在西方的最终建立。在这个过程中,信仰和理性的冲突与交汇构成了它的重要动力。本文在对这一问题的探讨中,着重突出了路德和施莱尔马赫所起的重要作用。     

激光雷达在空间交会对接中的应用

介绍了激光雷达在空间交会对接中的应用,讨论了激光雷达作为一种交会敏感器的基本原理及其被用于测距、测速、测角和姿态测量的具体实现方案     

本地金针菇F.V.H-I和四个高产菌株的比较试验

用分离的本地金针菇菌株 F.V.H—1,和4个高产菌株作栽培试验,本地菌株的生物学效率为75.1%,其经济性状较好,表明地方种明显优于其它菌株。