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21.
本组讨论以越文化研究为例,探索地域文化研究的方法与视角。朱文斌一文检讨了当前越文化研究范式的局限,提出了范式转换的问题;陈越、梁涌两文分别从空间与时间的存在与发展上对越文化作了动态描述。其中,陈文从文化模式的角度,把越文化概括为“剑—书”文化;梁文则从交流与传播的角度,揭示了越文化的形成与发展。 相似文献
22.
宏观物流成本是评价一个国家经济发展质量的重要指标,客观、科学地统计宏观物流成本具有非常重要的意义。在系统地介绍了南非物流成本统计模型中的分解与合计统计方法的基础上,着重介绍了合计方法。合计方法是按每一种产品的生产量分别进行统计,比较符合物流运作的实际情况,可以为中国物流成本统计方法的改进提供有益的参考和借鉴。 相似文献
23.
杜传青 《河南工业大学学报(社会科学版)》2008,4(1):128-129
科技统计是科学决策的基础,是组织架构设立和调整的依据,是科学制定和有效评价激励政策的前提,是贯彻“以人为本”管理思想的重要手段。对如何加强科技统计工作也提出了相关建议。 相似文献
24.
张晋 《中北大学学报(社会科学版)》2008,24(3):17-20
当代美国著名经济学家和政治哲学家罗默的阶级—剥削对应理论是通过使用了理性选择的个人主义方法论原则中的"合作博弈"理论阐述了其社会公正思想。其独特研究方法的运用,丰富和发展了马克思主义剥削与阶级理论,对于我国现阶段社会公正理论的确立具有一定的借鉴意义。 相似文献
25.
崔素红 《中北大学学报(社会科学版)》2004,20(2):37-38
外语教学有着悠久的历史 ,在漫长的过程中 ,外语教学经历了很大的发展。本文简要地叙述了外语教学法研究的历史 ,分析和论述了外语教学法的历史演变 ,以及当前外语教学的发展趋向 ,这对改革我们当前的外语教学 ,推动外语教学研究的深入 ,都有着十分重要的意义 相似文献
26.
Janusz L. Wywiał 《Statistical Papers》2008,49(2):277-289
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. 相似文献
27.
现代科技革命的方法论转变 总被引:2,自引:0,他引:2
颜晓峰 《河南科技大学学报(社会科学版)》2003,21(1):35-40
哥白尼、牛顿、达尔文在科学领域的革命促成了近代的世界观、方法论从神学向科学的转变 ,动力与传播革命改变了人的活动方式。现代科学的相对论和量子力学革命是走出牛顿科学的开端 ,计算机网络造成的信息社会提出了新的问题。现代科学的方法论思想重点在于强调时间的不可逆性、未来的不确定性和系统的自组织性。 相似文献
28.
The Wald statistic is known to vary under reparameterization. This raises the question: which parameterization should be chosen, in order to optimize power of the Wald statistic? We specifically consider k-sample tests of generalized linear models (GLMs) and generalized estimating equations (GEEs) in which the alternative hypothesis contains only two parameters. An example is presented in which such an alternative hypothesis is of interest. Amongst a general class of parameterizations, we find the parameterization that maximizes power via analysis of the non-centrality parameter, and show how the effect on power of reparameterization depends on sampling design and the differences in variance across samples. There is no single parameterization with optimal power across all alternatives. The Wald statistic commonly used under the canonical parameterization is optimal in some instances but it performs very poorly in others. We demonstrate results by example and by simulation, and describe their implications for likelihood ratio statistics and score statistics. We conclude that due to poor power properties, the routine use of score statistics and Wald statistics under the canonical parameterization for GEEs is a questionable practice. 相似文献
29.
The use of GIS in informal settlement upgrading: its role and impact on the community and on local government 总被引:1,自引:0,他引:1
The Urban Geographical Information Systems (GIS) Group within the Department of Civil Engineering at the University of Cape Town has been coordinating a pilot informal settlement upgrading in Cape Town since 1998. The project objective has been the evolution of a model-based approach to informal settlement upgrading that is both structured and replicable. It was felt that the only way this could be achieved was through the use of a spatial data management system operated through a GIS system. The spatial database has been used for all facets of data collection and data process and forms the basis for all decision-making. Thus it covers all physical data pertaining to the site, cadastral and shack data, demographic and socio-economic data (with an in-depth review of every household) economic opportunities and physical planning and design data. The result is a comprehensive, integrated, settlement upgrading methodology that is built upon a GIS-based spatial data management framework. Such a framework is seen as the basic building block for large-scale informal settlement upgrading. 相似文献
30.
Hilary Parsons Dick 《Qualitative sociology》2006,29(1):87-102
When a researcher enters an interview, she has already construed it as being a standard type of communicative event. This
article considers how a researcher's construal of a communicative event as either an ethnographic or survey interview shapes
the production of information. Interview standards entail epistemological assumptions that directly inform the type of information
sought and produced. I consider this process through a comparison of the elicitation techniques I employed in survey and ethnographic
interviews conducted during research in Mexico. I draw on theory in linguistic anthropology on the nature of meaning in language,
examining how dialogicality and interaction are essential to understanding the construal of communicative events. 相似文献