SKEW-NORMAL

作品数：11被引量：11H指数：2
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相关领域：理学更多>>
相关作者：陈望学更多>>
相关机构：吉首大学更多>>
相关期刊：《Acta Mathematica Sinica,English Series》《系统科学与数学》《Open Journal of Statistics》《Numerical Mathematics(Theory,Methods and Applications)》更多>>
相关基金：国家自然科学基金北京市自然科学基金湖南省高等学校教学改革研究项目国家社会科学基金更多>>
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不同类型排序集抽样下skew-normal分布的Fisher信息量
《系统科学与数学》2022年第12期3368-3379,共12页张建芬 陈望学 王硕 周雅雯 
国家自然科学基金(11901236,12261036);湖南省自然科学面上基金项目(2022JJ30469);湖南省教育厅重点项目(21A0328);2020年湖南省教学改革项目(HNJG-2020-0552);湖南省学位与研究生教学改革研究项目(2022JGZD051);湖南省青年骨干教师项目(湘教通[2020]43号)资助课题。
Fisher信息量是统计推断的基本概念,在统计分析的许多领域中都发挥着重要作用.文章分别在简单随机抽样,排序集抽样(RSS),极值RSS (ERSS)和中位数RSS (MRSS)下研究了skew-normal分布中对应样本所含偏度参数的Fisher信息量.数值结果显示,...
关键词：排序集抽样 极值排序集抽样 中位数排序集抽样 FISHER信息量 
Bootstrap inference of the skew-normal two-way classification random effects model with interaction
《Applied Mathematics(A Journal of Chinese Universities)》2022年第3期435-452,共18页YE Ren-dao AN Na LUO Kun LIN Ya 
supported by National Social Science Foundation of China(21BTJ068)。
In this paper,we consider the statistical inference problems for the fixed effect and variance component functions in the two-way classification random effects model with skewnormal errors.Firstly,the exact test stati...
关键词：skew-normal two-way classification random effects model with interaction fixed effect variance component functions BOOTSTRAP generalized approach 
A Variant Modified Skew-Normal Splitting Iterative Method for Non-Hermitian Positive Definite Linear Systems
《Numerical Mathematics(Theory,Methods and Applications)》2022年第2期510-529,共20页Rui Li Jun-Feng Yin Zhi-Lin Li 
R.Li is funded by the China Scholarship Council(File No.201808330668);the National Natural Science Foundation of China(Grant No.11701221);J.-F.Yin is funded by the National Natural Science Foundation of China(Grant No.11971354);Z.Li is partially supported by a Simon’s grant 63372.
We propose a variant modified skew-normal splitting iterative method to solve a class of large sparse non-Hermitian positive definite linear systems.Applying the preconditioning technique we also construct the precond...
关键词：Non-Hermitian matrix skew-normal splitting PRECONDITION complex linear system 
Variable selection for skew-normal mixture of joint location and scale models
《Applied Mathematics(A Journal of Chinese Universities)》2021年第4期475-491,共17页WU Liu-cang YANG Song-qin TAO Ye 
Supported by the National Natural Science Foundation of China(11861041).
Although there are many papers on variable selection methods based on mean model in the nite mixture of regression models,little work has been done on how to select signi cant explanatory variables in the modeling of ...
关键词：heterogeneous population skew-normal(SN)distribution mixture of joint location and scale models variable selection EM algorithm 
Evaluation of thermophoretic effects on graphite dust coagulation in high-temperature gas-cooled reactors被引量：2
《Particuology》2020年第4期45-52,共8页Kaiyuan Wang Suyuan Yu Wei Peng 
This work was supported by the National Natural Science Foundation of China(Grant No.51676112);the National Key Research&Development Program of China(Grant No.2016YFC0202700);the National Science&Technology Major Project(Grant No.ZX069);Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education.We also thank Prof.David Christopher for editing the English.
In high-temperature gas-cooled reactors,graphite dust particles within the reactor core and the heat transfer equipment experience large temperature gradients.Under such conditions,thermophoresis may play an important...
关键词：Graphite dust High-temperature gas-cooled reactor Thermophoretic coagulation Log-skew-normal method of moments Particle size distribution 
A parametric bootstrap approach for one-way classification model with skew-normal random effects被引量：3
《Applied Mathematics(A Journal of Chinese Universities)》2019年第4期423-435,共13页YE Ren-dao XU Li-jun LUO Kun JIANG Ling 
Supported by Zhejiang Provincial Philosophy and Social Science Planning Zhijiang Youth Project of China(Grant No.16ZJQN017YB);Ministry of Education of China,Humanities and Social Science Projects(Grant No.19YJA910006);Zhejiang Provincial Natural Science Foundation of China(Grant No.LY20A010019);Fundamental Research Funds for the Provincial Universities of Zhejiang(Grant No.GK199900299012-204);Zhejiang Provincial Statistical Science Research Base Project of China(Grant No.19TJJD08)
In this paper,several properties of one-way classification model with skew-normal random effects are obtained,such as moment generating function,density function and noncentral skew chi-square distribution,etc.Based o...
关键词：PARAMETRIC BOOTSTRAP EM algorithm one-way classification model SKEW-NORMAL DISTRIBUTION SKEW CHI-SQUARE DISTRIBUTION 
The ANOVA-Type Inference in Linear Mixed Model with Skew-Normal Error被引量：1
《Journal of Systems Science & Complexity》2017年第3期710-720,共11页WU Mixia ZHAO Jing WANG Tonghui ZHAO Yan 
supported by the National Natural Science Foundation of China under Grant Nos.11171011 and 11471036;the Natural Science Foundation of Beijing under Grant No.1132007;Beijing Municipal Science and Technology Project under Grant No.km201410005011
Linear mixed effect models with skew-normal errors and distribution-free random effects are considered. The ANOVA-type F-tests are proposed to test the significance of random effects and the hypothesis on fixed effect...
关键词：ANOVA-type estimator ANOVA-type F-test skew-normal error. 
Use of BayesSim and Smoothing to Enhance Simulation Studies
《Open Journal of Statistics》2017年第1期153-172,共20页Jeffrey D. Hart 
The conventional form of statistical simulation proceeds by selecting a few models and generating hundreds or thousands of data sets from each model. This article investigates a different approach, called BayesSim, th...
关键词：Loss Function BAYES Risk Prior DISTRIBUTION Regression SIMULATION SKEW-NORMAL DISTRIBUTION GOODNESS of Fit 
A skew–normal mixture of joint location, scale and skewness models被引量：1
《Applied Mathematics(A Journal of Chinese Universities)》2016年第3期283-295,共13页LI Hui-qiong WU Liu-cang YI Jie-yi 
Supported by the National Natural Science Foundation of China(11261025,11561075);the Natural Science Foundation of Yunnan Province(2016FB005);the Program for Middle-aged Backbone Teacher,Yunnan University
Normal mixture regression models are one of the most important statistical data analysis tools in a heterogeneous population. When the data set under consideration involves asymmetric outcomes, in the last two decades...
关键词：mixture regression models mixture of joint location scale and skewness models EM algorithm maximum likelihood estimation skew-normal mixtures 
Inferences in Linear Mixed Models with Skew-normal Random Effects被引量：7
《Acta Mathematica Sinica,English Series》2015年第4期576-594,共19页Ren Dao YE Tong Hui WANG 
supported by National Natural Science Foundation of China(Grant No.11401148);Ministry of Education of China,Humanities and Social Science Projects(Grant Nos.14YJC910005,10YJC790184);Zhejiang Provincial Natural Science Foundation of China(Grant No.LY14A010030);Zhejiang Provincial Philosophy and Social Science Planning Project of China(Grant No.13NDJC089YB);Houji Scholar Fund of Northwest A and F University,China
For the linear mixed model with skew-normal random effects, this paper gives the density function, moment generating function and independence conditions. The noncentral skew chi-square distribution is defined and its...
关键词：Linear mixed model moment generating function Cochran＇s theorem noncentral skewchi-square distribution noncentral skew F distribution 
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