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检索条件"主题词=EM algorithms"
56 条 记 录,以下是51-60 订阅
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Faster Monte Carlo estimation of joint models for time-to-event and multivariate longitudinal data
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COMPUTATIONAL STATISTICS & DATA ANALYSIS 2020年 151卷 107010-107010页
作者: Philipson, Pete Hickey, Graeme L. Crowther, Michael J. Kolamunnage-Dona, Ruwanthi Newcastle Univ Sch Math Stat & Phys Newcastle Upon Tyne NE1 7RU Tyne & Wear England Univ Liverpool Inst Translat Med Dept Biostat Liverpool Merseyside England Univ Leicester Dept Hlth Sci Biostat Res Grp Leicester Leics England
Quasi-Monte Carlo (QMC) methods using quasi-random sequences, as opposed to pseudo-random samples, are proposed for use in the joint modelling of time-to-event and multivariate longitudinal data. The QMC integration f... 详细信息
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Generalisations of stochastic supervision models
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PATTERN RECOGNITION 2021年 109卷 107575-107575页
作者: Lu, Xiaoou Qiao, Yangqi Zhu, Rui Wang, Guijin Ma, Zhanyu Xue, Jing-Hao UCL Dept Stat Sci London WC1E 6BT England Univ London Fac Actuarial Sci & Insurance Cass Business Sch London EC1Y 8TZ England Univ Kent Sch Math Stat & Actuarial Sci Canterbury CT2 7FS Kent England Tsinghua Univ Dept Elect Engn Beijing 100084 Peoples R China Beijing Univ Posts & Telecommun Pattern Recognit & Intelligent Syst Lab Beijing 100876 Peoples R China
When the labelling information is not deterministic, traditional supervised learning algorithms cannot be applied. In this case, stochastic supervision models provide a valuable alternative to classification. However,... 详细信息
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Composite Link Functions in Generalized Linear Models
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Journal of the Royal Statistical Society: Series C (Applied Statistics) 1981年 第2期30卷 125-131页
作者: R. Thompson R. J. Baker A.R.C. Unit of Statistics University of Edinburgh Scotland UK Rothamsted Experimental Station Herts UK
In generalized linear models each observation is linked with a predicted value based on a linear function of some systematic effects. We sometimes require to link each observation with a linear function of more than o... 详细信息
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Functional mixtures-of-experts
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STATISTICS AND COMPUTING 2024年 第3期34卷 98-98页
作者: Chamroukhi, Faicel Pham, Nhat Thien Hoang, Van Ha Mclachlan, Geoffrey J. IRT SystemX 2 Blvd Thomas Gobert F-91120 Palaiseau France Normandie Univ UNICAEN CNRS LMNO F-14000 Caen France Vietnam Natl Univ Univ Sci Ho Chi Minh City Vietnam Univ Queensland Sch Math & Phys Brisbane Australia
We consider the statistical analysis of heterogeneous data for prediction, in situations where the observations include functions, typically time series. We extend the modeling with mixtures-of-experts (ME), as a fram... 详细信息
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An Expectation-Maximization Method for Calibrating Synchronous Machine Models
An Expectation-Maximization Method for Calibrating Synchrono...
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IEEE Power and Energy Society General Meeting
作者: Da Meng Ning Zhou Shuai Lu Guang Lin PNNL Richland WA
The accuracy of a power system dynamic model is essential to its secure and efficient operation. Lower confidence in model accuracy usually leads to conservative operation and lowers asset usage. To improve model accu... 详细信息
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RATING TRANSITIONS FORECASTING: A FILTERING APPROACH
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International Journal of Theoretical and Applied Finance 2023年 第2-3期26卷 2350009-2350009页
作者: Cousin, Areski Lelong, Jérǒme Picard, Tom Nexialog Consulting 110 Av. de la République Paris 75011 France IRMA UMR 7501 Université de Strasbourg 7 rue René-Descartes 67084 Cedex France Univ. Grenoble Alpes CNRS Grenoble INP LJK Grenoble 38000 France
Analyzing the effect of business cycle on rating transitions has been a subject of great interest these last 15 years, particularly due to the increasing pressure coming from regulators for stress testing. In this pap... 详细信息
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