Asymptotic distribution of regression correlation coefficient for Poisson regression model

This study treats an asymptotic distribution for measures of predictive power for generalized linear models (GLMs). We focus on the regression correlation coefficient (RCC) that is one of the measures of predictive power. The RCC, proposed by Zheng and Agresti is a population value and a generalization of the population value for the coefficient of determination. Therefore, the RCC is easy to interpret and familiar. Recently, Takahashi and Kurosawa provided an explicit form of the RCC and proposed a new RCC estimator for a Poisson regression model. They also showed the validity of the new estimator compared with other estimators. This study discusses the new statistical properties of the RCC for the Poisson regression model. Furthermore, we show an asymptotic normality of the RCC estimator.     

简论李觏的土地思想

李觏是北宋中期重要的思想家,在李觏的整个思想体系中,经济思想占有很重要的地位。李觏非常重视土地问题,土地思想是李觏经济思想的核心。针对当时土地兼并日益激烈引起的社会危害,李觏也提出了关于土地问题的看法。他的土地思想经历了前后两个时期,前期主要从分配角度分析,主张平土均田。后期主要从生产角度批判土地兼并。李觏提出了＂平土均田＂、＂井田制＂、＂农业劳动力＂、＂尽地力、广垦辟＂、＂限田＂等抑制土地兼并,发展农业,保护农民利益的思想。     

论宗教传播的“权”与“场”

纵观基督教、佛教、道教三种宗教的传教历史,从权柄、权力与道场、市场各自在宗教传播中所起的作用可以看出,权柄、权力可以兴教,却不必然兴教,权柄、权力可以是一个兴教的方便之门,然而,无此方便,却不可以说教不可兴。历史上的许多宗教派别,是因为得了权力而兴了教,却因此而失了市场,最终衰落了;同样,有的宗派从来没有得到权力,却得了市场,最后兴盛了。道场、市场,乃是兴教的方向,也为宗教的土壤。如果说传道者的眼睛需要朝上看,就更需要朝下看,那才是人间正道。     

国产手机企业发展竞争力探析

目前,国内手机企业的发展局势表现为三分天下的竞争格局。国产手机发展尽管在很多方面具有竞争优势,也取得了可喜的成绩,但与国外"洋品牌"相比,在核心技术、质量、营销能力、售后服务等多方面还存在问题。为了让国产手机企业把握机会,改变现状,提升企业竞争力,实现国产手机企业稳定快速发展,应在内涵建设、市场开拓、竞争力战略等方面制定发展措施。     

传统民居色彩研究

针对传统民居色彩进行专项研究,试图通过一新的层面,即以民居色彩为一个整体效应来分析其形成因素和特征.依托四季色彩理论、色彩学、色彩地理学等相关学科,提出了色彩群理念,辨析了色彩群的内涵以及外延;并以不同的观察状态分析不同地域传统民居色彩群的特质.     

Back to basics: explaining sample size in outcome trials,are statisticians doing a thorough job?

Time to event outcome trials in clinical research are typically large, expensive and high‐profile affairs. Such trials are commonplace in oncology and cardiovascular therapeutic areas but are also seen in other areas such as respiratory in indications like chronic obstructive pulmonary disease. Their progress is closely monitored and results are often eagerly awaited. Once available, the top line result is often big news, at least within the therapeutic area in which it was conducted, and the data are subsequently fully scrutinized in a series of high‐profile publications. In such circumstances, the statistician has a vital role to play in the design, conduct, analysis and reporting of the trial. In particular, in drug development it is incumbent on the statistician to ensure at the outset that the sizing of the trial is fully appreciated by their medical, and other non‐statistical, drug development team colleagues and that the risk of delivering a statistically significant but clinically unpersuasive result is minimized. The statistician also has a key role in advising the team when, early in the life of an outcomes trial, a lower than anticipated event rate appears to be emerging. This paper highlights some of the important features relating to outcome trial sample sizing and makes a number of simple recommendations aimed at ensuring a better, common understanding of the interplay between sample size and power and the final result required to provide a statistically positive and clinically persuasive outcome. Copyright © 2009 John Wiley & Sons, Ltd.     

中国特色社会主义与人的共同发展

人的共同发展是马克思主义关于人的发展理论的核心原则，它对于真正实现人的全面自由发展具有重要指导意义。当今西方国家在人的发展实践过程中，奉行的是一种与之相反的竞争发展原则，导致了人的发展危机后果，以其历史教训证实了人的共同发展原则价值。中国特色社会主义以马克思主义关于人的共同发展原则为指导，从中国的实际出发，开辟了一条超越西方的卓有成效的关于人的发展道路，显示了中国特色社会主义的优越性。     

双液注浆锚管加固在渗水软弱围岩浅埋偏压隧道中的应用

通过乌坑坝隧道北京端左线冲沟地段的施工实例，介绍渗水软弱围岩浅埋偏压隧道地表双液注浆锚管加固的施工方法，并对加固效果及其优缺点进行分析．     

论完善公共权力的监督体系

公共权力异化是导致商业贿赂产生的起因,加强行政监督及健全公共权力的制约机制来完善公共权力的监督体系,进而从源头上预防国家公职人员以公共权力异化谋求利益,产生商业贿赂。