VARIANCES

作品数：32被引量：40H指数：4
导出分析报告
相关领域：理学更多>>
相关作者：徐丽宏崔海亭刘鸿雁田育红更多>>
相关机构：北京大学大连理工大学更多>>
相关期刊：《Statistical Theory and Related Fields》《Chinese Medical Journal》《Chinese Physics B》《International Journal of Transportation Science and Technology》更多>>
相关基金：国家自然科学基金北京市自然科学基金山东省自然科学基金泰国研究基金更多>>
-
在结果中检索

检索结果分析

结果分析中...
共 条 记 录，以下是1-10
全选清除导出
参考文献引证文献引用追踪
视图：
排序：
Identifying the Impact of Preconstruction Elements on Project Time Variances
《Journal of Civil Engineering and Architecture》2025年第1期9-21,共13页Sogol Salary Matthew Reyes 
Working toward an efficient duration and timeline for the preconstruction phase should be one of the main objectives for project owners.Failing to plan for and coordinate preconstruction decisions in order to control ...
关键词：Preconstruction time variances critical preconstruction elements objective data. 
Entropy variances of pure coherent states in the diffusion channel
《Chinese Physics B》2024年第9期384-388,共5页Wei-Feng Wu Yong Fang Peng Fu 
Collaborative Innovation Project of University,Anhui Province(Grant No.GXXT-2022-088).
Using the operator correspondence of the real and fictious modes in the thermo entangled state representation, wesolve the quantum master equation describing the diffusion channel and obtain the Kraus operator-sum rep...
关键词：entangled state representation diffusion channel coherent state entropy evolution 
Factors associated with driver injury severity of motor vehicle crashes on sealed and unsealed pavements:Random parameter model with heterogeneity in means and variances
《International Journal of Transportation Science and Technology》2023年第2期460-475,共16页Ihsan Obaid Ali Alnedawi Ghufraan Mohammed Aboud Reuben Tamakloe Hamsa Zuabidi Subasish Das 
The effect of sealed or unsealed road pavements on motorist’s injury severities has not been extensively explored.This study collected a four-year crash dataset(2015–2018)from South Australia to explore this issue.T...
关键词：Road surface type Injury severity Mixed logit model Heterogeneity in mean and variance Random parameter 
Correction of Left Ventricular Doppler Echocardiographic Measurements for Physiological Variances Using a Novel Optimized Multivariable Allometric Model in Healthy Chinese Han Adults
《Engineering》2022年第9期115-122,共8页Guihua Yao Xiangyun Chen Wenjing Yang Qing Zhang Jing Liu Huan Liang Hui Sun Yao Xu Li Wang Jinfeng Xu Cheng Zhang Fengrong Sun Mei Zhang Xueying Zeng Yun Zhang 
supported by the Program of Introducing Talents of Discipline to Universities(BP 0719033);the State Key Program of the National Natural Science Foundation of China(82030051);the International Collaboration and Exchange Program of China(81920108003);the National Natural Science Foundation of China(81671703,81770442,and 11771408);the Qingdao Key Health Discipline Development Fund(3311000000073);the People’s Livelihood Science and Technology Project of Qingdao(18-6-1-62-nsh);the Fundamental Research Funds for the Central Universities(201964006)。
Most left ventricular(LV)Doppler measurements vary significantly with age and gender,making it necessary to correct them for physiological variances.We aimed to verify the hypothesis that different Doppler measurement...
关键词：Doppler echocardiography Physiological variance Allometric model Normal reference values 
Empirical likelihood inference in autoregressive models with time-varying variances
《Statistical Theory and Related Fields》2022年第2期129-138,共10页Yu Han Chunming Zhang 
The authors thank the editor,Prof.Jun Shao,and two anony-mous reviewers for helpful comments.Yu Han was supported by the Scientific Research Foundation of Jilin Education[grant number JJKH20200102KJ];The work of C.Zhang was partially supported by U.S.National Science Foundation[grant numbers DMS-2013486 and DMS-1712418];pro-vided by the University of Wisconsin-Madison Office of the Vice Chancellor for Research and Graduate Education with funding from the Wisconsin Alumni Research Foundation.
This paper develops the empirical likelihood(EL)inference procedure for parameters in autore-gressive models with the error variances scaled by an unknown nonparametric time-varying function.Compared with existing met...
关键词：Empirical likelihood autoregressive model unconditional heteroscedasticity stable test 
A new exact p-value approach for testing variance homogeneity
《Statistical Theory and Related Fields》2022年第1期81-86,共6页Juan Wang Xinmin Li Hua Liang 
The research of Li was supported by Grant 11871294 from National Natural Science Foundation of China;Liang’s research was partially supported by NSF grant DMS-1620898.
To test variance homogeneity,various likelihood-ratio based tests such as the Bartlett's test have been proposed.The null distributions of these tests were generally derived asymptotically or approximately.We re-exami...
关键词：Homogeneity of variances Bartlett’s test restrictive maximum likelihood ratio test type I error rate 
On the laws of the iterated logarithm with mean-uncertainty under sublinear expectations被引量：1
《Probability, Uncertainty and Quantitative Risk》2022年第1期1-12,共12页Xiaofan Guo Shan Li Xinpeng Li 
supported by NSF of Shandong Province(Grant No.ZR2021MA018);National Key R&D Program of China(Grant No.2018YFA0703900);NSF of China(Grant No.11601281);the Young Scholars Program of Shandong University.
A new Hartman-Wintner-type law of the iterated logarithm for independent random variables with mean-uncertainty under sublinear expectations is established by the martingale analogue of the Kolmogorov law of the itera...
关键词：Law of the iterated logarithm Mean-uncertainty Upper and lower variances Sublinear expectation 
A Neurobiological Examination of Environmental, Subjective, Peripheral and Central Taste Sensation Processing Variances Associated with Taste Alterations: A Case Study Method
《World Journal of Neuroscience》2021年第3期246-266,共21页Tayren N. Ben-Abraham 
This study examines a common phenomenon that is greatly ignored by the clinical community for numerous reasons. Many people for a multitude of reasons experience taste alterations. The supertaster phenomenon is an alt...
关键词：Gustatory Neurobiology Taste Disorder Supertaster Phenomenon TAS2R38 Gene 
Estimation of leaf color variances of Cotinus coggygria based on geographic and environmental variables被引量：3
《Journal of Forestry Research》2021年第2期609-622,共14页Xing Tan Jiaojiao Wu Yun Liu Shixia Huang Lan Gao Wen Zhang 
supported by the Fundamental Research Funds for the Central Universities(Grant No.XDJK2019D041);the Research Innovation Programs for graduate student of Chongqing,China(Grant No.CYS19123);the National Undergraduate Innovation and Entrepreneurship Training Programs(Grant No.201810635015).
Capturing leaf color variances over space is important for diagnosing plant nutrient and health status,estimating water availability as well as improving ornamental and tourism values of plants.In this study,leaf colo...
关键词：RGB color space Digital elevation model Variable selection SVM algorithm GELnet algorithm 
Fine genetic mapping of the chromosome 11q23.3 region in a Han Chinese population:insights into the apolipoprotein genes underlying the blood lipid-lipoprotein variances被引量：1
《Journal of Genetics and Genomics》2020年第12期756-769,共14页Weihua Shou Chenhui Zhang Jinxiu Shi Hong Wu Wei Huan 
We gratefully acknowledge all the contributors that made this research possible,all the sample donors for this study,and all the clinicians for their assistance in recruiting participants to the study.This work was supported by the grant from the National Natural Science Foundation of China(31401082).
The unusual chromosome 11q23.3 harboring the apolipoprotein(APO)gene cluster has been well documented for its essential roles in plasma lipid-related traits and atherosclerotic cardiovascular diseases.However,its gene...
关键词：APO gene cluster Blood lipids Coronary artery disease Genetic associations Progressive analyses for prioritizing Causal genetic factors 
全选清除导出
共4页<1234>
检索报告 对象比较 聚类工具 使用帮助 返回顶部