论提高普通高校成人高等教育质量的着力点

提高普通高校成人高等教育质量 ,借助普通高校本身的优势 ,解放思想、转变观念 ,形成良好的办学环境是基础。以教学计划规范教学 ,不断改进教学方法 ,加强学风建设是根本。抓住考试环节 ,把好教学质量关是关键。     

论元散曲中屈原评价的文化意义

元人对屈原基本上都是持一种嘲讽的态度。这种价值评判的形成 ,与元人的生存环境有着非常直接的关系。价值向度的变形来自于生存环境的险恶。同时 ,与历史上对屈原的消极评价也不无关联     

Alternate test statistics for a functional errors-in-variables model

Some test statistics for the structural coefficients of simultaneous equations model often referred to as the multivariate linear functional relationship model are proposed in this article. The following cases are considered: the covariance matrix of errors is either unknown, known up to a proportionality factor, or completely known. The exact and approximate distributions of the proposed test statistics, as well as those of some that are known, are also given.     

P-value adjustment for multiple binary endpoints

The p-value-based adjustment of individual endpoints and the global test for an overall inference are the two general approaches for the analysis of multiple endpoints. Statistical procedures developed for testing multivariate outcomes often assume that the multivariate endpoints are either independent or normally distributed. This paper presents a general approach for the analysis of multivariate binary data under the framework of generalized linear models. The generalized estimating equations (GEE) approach is applied to estimate the correlation matrix of the test statistics using the identity and exchangeable working correlation matrices with the model-based as well as robust estimators. The objectives of the approaches are the adjustment of p-values of individual endpoints to identify the affected endpoints as well as the global test of an overall effect. A Monte Carlo simulation was conducted to evaluate the overall family wise error (FWE) rates of the single-step down p-value adjustment approach from two adjustment methods to three global test statistics. The p-value adjustment approach seems to control the FWE better than the global approach Applications of the proposed methods are illustrated by analyzing a carcinogenicity experiment designed to study the dose response trend for 10 tumor sites, and a developmental toxicity experiment with three malformation types: external, visceral, and skeletal.     

英语试卷的编排

要让学生考出真实水平 ,有很多因素可以促成这一目标的达到 ,其中一个因素为试卷的编排。试卷的编排涉及到试卷的总体编排和试卷题目各部分的编排。编排顺序或方式不当皆可导致分数的无效差异 ,所以应引起注意。     

甘蓝型油菜品种区试资料的非参数度量

应用秩次变量nij 和nij',非参数统计量Pi、Pi'、Si 和Dj 描述 1999年长江上游油菜品种区域试验资料。结果表明 :94 0 7N丰产性、稳产性最好 ,94杂 - 3、黔杂 97- 2次之。油 2 71丰产性最差 ,绵阳92 - 4 592稳产性最差。除曲靖、昆明点之外 ,其余试验点具有较好的代表性     

对可持续发展的伦理思考

可持续发展是人类为了克服一系列环境、经济和社会问题 ,特别是全球性的环境污染和广泛的生态破坏 ,以及它们之间关系失衡所作出的理性抉择。可持续发展包括生态、经济和社会三方面的发展 ,本文试从这三方面对可持续发展作一探讨 ,从而在伦理上给人们树立一种新的价值导向     

Hypotheses testing for a multidimensional parameter of inhomogeneous Poisson processes

We observe a realization of an inhomogeneous Poisson process whose intensity function depends on an unknown multidimensional parameter. We consider the asymptotic behaviour of the Rao score test for a simple null hypothesis against the multilateral alternative. By using the Edgeworth type expansion (under the null hypothesis) for a vector of stochastic integrals with respect to the Poisson process, we refine the (classic) threshold of the test (obtained by the central limit theorem), which improves the first type probability of error. The expansion allows us to describe the power of the test under the local alternative, i.e. a sequence of alternatives, which converge to the null hypothesis with a certain rate. The rates can be different for components of the parameter.     

福龙丸事件始末

1954年3月1日，日本渔船福龙丸在太平洋捕鱼时，遭到了美国在比基尼环礁试爆的氢弹的放射性污染，这一事件对美日关系产生了重大影响，美国国家安全委员会为此调整了对日政策，于1955年4月9日制订了NSC5516/1号文件，改变了要求日本短期内重整军备的方针，而代之以渐整军备。