一般Gauss－Markov模型下一般可估函数的线性充分性和线性完全性

发展了Ｂａｋｓａｌａｒｙ和Ｄｒｙｇａｓ提出的一般Ｇａｕｓｓ－Ｍａｒｋｏｖ模型中线性充分性、最小充分性和完全性的概念，用Ｒａｏ的最小二乘统一理论，给出了这些概念的刻划定理。     

拓展服务功能,深入挖掘高校档案价值内涵

随着高校事业的发展和科技的进步,作为重要的档案资源信息库,高校档案的重要 性越来越明显。充分发挥其价值,强化服务功能成为当前高校档案工作者研究课题之一。文 章在分析高校档案特点和价值的基础上,重点阐述了高校档案馆增强档案意识,强化服务功 能,做好档案工作需要努力做到五个方面的转变。     

Uncertainty Analysis for Computer Model Projections of Hurricane Losses

Projecting losses associated with hurricanes is a complex and difficult undertaking that is wrought with uncertainties. Hurricane Charley, which struck southwest Florida on August 13, 2004, illustrates the uncertainty of forecasting damages from these storms. Due to shifts in the track and the rapid intensification of the storm, real-time estimates grew from 2 to 3 billion dollars in losses late on August 12 to a peak of 50 billion dollars for a brief time as the storm appeared to be headed for the Tampa Bay area. The storm hit the resort areas of Charlotte Harbor near Punta Gorda and then went on to Orlando in the central part of the state, with early poststorm estimates converging on a damage estimate in the 28 to 31 billion dollars range. Comparable damage to central Florida had not been seen since Hurricane Donna in 1960. The Florida Commission on Hurricane Loss Projection Methodology (FCHLPM) has recognized the role of computer models in projecting losses from hurricanes. The FCHLPM established a professional team to perform onsite (confidential) audits of computer models developed by several different companies in the United States that seek to have their models approved for use in insurance rate filings in Florida. The team's members represent the fields of actuarial science, computer science, meteorology, statistics, and wind and structural engineering. An important part of the auditing process requires uncertainty and sensitivity analyses to be performed with the applicant's proprietary model. To influence future such analyses, an uncertainty and sensitivity analysis has been completed for loss projections arising from use of a Holland B parameter hurricane wind field model. Uncertainty analysis quantifies the expected percentage reduction in the uncertainty of wind speed and loss that is attributable to each of the input variables.     

谈桥梁的技术美

桥梁技术美已成为当前工程师日益关注的课题。理解桥梁技术的产生及其组成因素;现代桥梁设计需要设计师具有美学修养;桥梁方案的设计要有建筑师的参与,才能更好地体现桥梁内在的美学价值。     

Fuzzy K-means clustering models for triangular fuzzy time trajectories

We focus our attention on the classification of fuzzy time trajectories with triangular membership function, described by a given set of individuals. To this purpose, we adopt a fullyinformational approach, explicitly recognizing the informational nature shared by the ingredients of the classification procedure: the observed data (Empirical Information) and the classification model (Theoretical Information). In particular, by supposing that the informational paradigm has a fuzzy nature, we suggest three fuzzy clustering models allowing the classification of the triangular fuzzy time trajectories, based on the analysis of the cross sectional and/or longitudinal characteristics of their components (centers and spreads). Two applicative examples are illustrated.     

试论培训后勤职工与发挥后勤德育功能

高校后勤具有很强的德育功能。培训高校后勤职工具有多方面的重要性。高校后勤工作具有繁杂性,微利服务性和部分福利性等特点。队伍和素质参差不齐、年龄老化、学历偏低、劳动技术较弱和部分职工打工仔意识强,主人翁意识弱等现状表现出了搞好后勤职工培训的必要性和紧迫性。因此,要对后勤职工搞好四个方面的培训,通过四条途径发挥其德育功能。     

试论美术教学的深化与互动

分析了目前的学生状况和美术教学存在的问题,提出改进美术课的教学内容,发挥美术课应有的审美教育功能,在教与学中互动,提高教学质量。     

中国A、B股市场相关性与协整性的实证研究

运用相关、协整和因果关系检验等计量经济学方法对中国AB股市场之间的相关性与协整性进行了实证研究,以期找出股市间价格波动的运行规律。结果表明,B股市场对境内投资者开放后,沪深两市A股与B股之间开始存在协整关系,并且沪市的A股市场是先于B股市场的,而深市AB股市场之间不存在先导性。研究结果为判断和分析中国股票市场的基本特征和投资者行为,提供了一定的参考依据。     

中国古代足球的发展与兴衰

本文采用文献综述法,试图从蹴鞠的起源、功能极其兴衰来研究制约蹴鞠运动发展的规律,并让我们从一个崭新的角度来了解中国古代各时期的思潮演变的进程,从而继承和发扬其优秀的精华部分,剔除其违反客观规律的糟粕部分,真正做到“古为今用”。     

Local dependence estimation using semiparametric archimedean copulas

The authors define a new semiparametric Archimedean copula family which has a flexible dependence structure. The generator of the family is a local interpolation of existing generators. It has locally‐defined dependence parameters. The authors present a penalized constrained least‐squares method to estimate and smooth these parameters. They illustrate the flexibility of their dependence model in a bi‐variate survival example.