Sampling design proportional to order statistic of auxiliary variable

The sampling designs dependent on sample moments of auxiliary variables are well known. Lahiri (Bull Int Stat Inst 33:133–140, 1951) considered a sampling design proportionate to a sample mean of an auxiliary variable. Sing and Srivastava (Biometrika 67(1):205–209, 1980) proposed the sampling design proportionate to a sample variance while Wywiał (J Indian Stat Assoc 37:73–87, 1999) a sampling design proportionate to a sample generalized variance of auxiliary variables. Some other sampling designs dependent on moments of an auxiliary variable were considered e.g. in Wywiał (Some contributions to multivariate methods in, survey sampling. Katowice University of Economics, Katowice, 2003a); Stat Transit 4(5):779–798, 2000) where accuracy of some sampling strategies were compared, too.These sampling designs cannot be useful in the case when there are some censored observations of the auxiliary variable. Moreover, they can be much too sensitive to outliers observations. In these cases the sampling design proportionate to the order statistic of an auxiliary variable can be more useful. That is why such an unequal probability sampling design is proposed here. Its particular cases as well as its conditional version are considered, too. The sampling scheme implementing this sampling design is proposed. The inclusion probabilities of the first and second orders were evaluated. The well known Horvitz–Thompson estimator is taken into account. A ratio estimator dependent on an order statistic is constructed. It is similar to the well known ratio estimator based on the population and sample means. Moreover, it is an unbiased estimator of the population mean when the sample is drawn according to the proposed sampling design dependent on the appropriate order statistic.     

御园自是湖光好，山色还须让静宜——浅析香山静宜园28景经营意向

香山静宜园是著名清代皇家园林,始建于乾隆朝,是清代皇家园林的重要代表,涵纳的造园意象非常丰富,具有极高的研究价值。系统地研究静宜园28景的构成要素和设计手法,总结出香山静宜园建筑设计和景观经营意向,有助于深入探索自然山水园的思想精髓,对当今的建筑环境以及景观设计都有重要的借鉴和指导意义。     

Bayesian locally optimal design of knockout tournaments

The elimination or knockout format is one of the most common designs for pairing competitors in tournaments and leagues. In each round of a knockout tournament, the losers are eliminated while the winners advance to the next round. Typically, the goal of such a design is to identify the overall best player. Using a common probability model for expressing relative player strengths, we develop an adaptive approach to pairing players each round in which the probability that the best player advances to the next round is maximized. We evaluate our method using simulated game outcomes under several data-generating mechanisms, and compare it to random pairings, to the standard knockout format, and to two variants of the standard format.     

课程设计教学模式的研究

课程设计是本科实践教学环节的一个重要组成部分。课程设计传统教学模式及教学方式与当前建筑环境与设备工程专业本科培养计划总体方案和社会需求不相适应。以培养和提高学生的创新能力和综合解决问题能力为目的，分析专业课教学、挑战性的设计题目、指导教师的主导作用及评分机制等教学内容对课程设计的作用效果，构建将多种教学元素与课程设计交汇融合的创新课程设计模式。     

白先勇短篇小说中意识流创作手法的流变

白先勇尝试运用现代派文学的表现技巧——意识流创作手法始于与台湾大学外文系同学创办《现代文学》杂志。以后，随着作家自身经历的变化和对意识流创作理论认识的深入，其笔下意识流这一创作手法呈现出鲜明的“模仿试睑一成熟定型——在扬弃中提升”的变化轨迹。     

商业网站的网络营销思维

随着电子商务的发展,网络营销的功效越发显著,其作用也越来越受到管理者的重视.但在目前,网站的落后状况已经成为阻碍网络营销发挥作用的一大因素.因此,网络营销思维在商业网站中的运用势在必行.     

二元序列优化的二种快速算法

基于二相编码雷达对大压缩比信号的要求,提出了一种比直接算法平均提高效率0.5P(P 为序列长度)的快速数字优化方法。作为这种快速算法的实际应用,还对 P=255的二相编码脉冲压缩信号进行了优化。     

论高校创新人才的培养

全面推进素质教育 ,培养具有创新精神和创造能力的人才是我国高校的重要任务。针对我国高校教育观念及教学管理方面存在的不利于创新人才培养的种种因素 ,我们应采取相应的对策促进创新人才的培养     

从产品生命周期看媒体的创新发展--以《楚天都市报》为例

运用产品生命周期理论详细分析了《楚天都市报》在导入期、成长期及成熟期三个不同发展阶段的创新作为。分析表明,在不同的发展阶段,媒体必须根据社会和市场的需求,找准定位,求索创新,才能在激烈的竞争中不断发展壮大。     

论创新型高校组织文化特征

面向21世纪的高等教育改革实践中,突出加强大学生创新知识的传授、创新能力和创新素质的培养,以造就适应知识经济时代和我国社会主义建设事业需要的创新型高级专业人才,无疑是一项十分紧迫的任务。我们比以往任何时候更坚信国家真正的财富是人民的素质,高校组织文化对开展全面创新素质教育起到了至关重要的作用。对创新型高校组织文化特征的浅析将会为高校进行全面素质教育提供一种新的思路。