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1.
Estimation and Inference Procedures for Semiparametric Distribution Models with Varying Linear‐Index 下载免费PDF全文
More flexible semiparametric linear‐index regression models are proposed to describe the conditional distribution. Such a model formulation captures varying effects of covariates over the support of a response variable in distribution, offers an alternative perspective on dimension reduction and covers a lot of widely used parametric and semiparameteric regression models. A feasible pseudo likelihood approach, accompanied with a simple and easily implemented algorithm, is further developed for the mixed case with both varying and invariant coefficients. By justifying some theoretical properties on Banach spaces, the uniform consistency and asymptotic Gaussian process of the proposed estimator are also established in this article. In addition, under the monotonicity of distribution in linear‐index, we develop an alternative approach based on maximizing a varying accuracy measure. By virtue of the asymptotic recursion relation for the estimators, some of the achievements in this direction include showing the convergence of the iterative computation procedure and establishing the large sample properties of the resulting estimator. It is noticeable that our theoretical framework is very helpful in constructing confidence bands for the parameters of interest and tests for the hypotheses of various qualitative structures in distribution. Generally, the developed estimation and inference procedures perform quite satisfactorily in the conducted simulations and are demonstrated to be useful in reanalysing data from the Boston house price study and the World Values Survey. 相似文献
2.
Chin Wen Cheong 《Journal of applied statistics》2010,37(12):2043-2056
This study introduces a technique to estimate the Pareto distribution of the stock exchange index by using the maximum-likelihood Hill estimator. Recursive procedures based on the goodness-of-fit statistics are used to determine the optimal threshold fraction of extreme values to be included in tail estimation. These procedures are applied to three indices in the Malaysian stock market which included the consideration of a drastic economic event such as the Asian financial crisis. The empirical results evidenced alternating varying behavior of heavy-tailed distributions in the regimes for both upper and lower tails. 相似文献
3.
游汝杰 《暨南学报(哲学社会科学版)》2005,27(5):108-115
主要内容可分为两大部分:一、讨论最近5年(2000年至2004年)汉语方言学的研究成果,内容包括语音、词汇、语法、地理、历史、方言学史、方言课本、方言比较等方面。二、根据方言学的现状,对汉语方言学研究提出几点建议,并对汉语方言学的发展前途,以及今后五年的发展方向作出预测。 相似文献
4.
陈志平 《暨南学报(哲学社会科学版)》2005,27(5):84-90
考证古代文学作品系年的关键在于正确理解作品的原意,然后结合作者的行踪、交游作出合理的推断。近年来,山谷词系年考证中出现了不少分歧,甚至还出现了错误。查阙补漏、修正前说对进一步研究山谷词显得尤为重要。 相似文献
5.
We present a unified look at myopic stability concepts for hedonic games, and discuss the status of the existence problems
of stable coalition structures. In particular, we show that contractual strictly core stable coalition structures always exist,
and present a sufficient condition for the existence of contractually Nash stable coalition structures on the class of separable
games.
We gratefully acknowledge financial support from the Alexander von Humboldt Foundation (D. Dimitrov)“by “D. Dimitrov gratefully
acknowledges financial support from the Alexander von Humboldt Foundation. 相似文献
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在对一类正则长波方程定性分析的基础上,得到了其全局相图.由此推知,此类方程具有渐近值相同的钟状孤波解,并求得了其精确孤立波解,即此正则长波方程的同宿轨道. 相似文献
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借助反问题方法对风洞实验工况选取不同施密特数进行数值模拟试验,分析比较了不同施密特数时街道峡谷内各个观测点的数值模拟数据和风洞实验数据.研究结果表明,城市街道内大气污染物扩散的施密特数为0.7~0.8. 相似文献