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检索条件"主题词=expectation maximization algorithm"
643 条 记 录,以下是501-510 订阅
排序:
The Log Private Company Valuation Model
arXiv
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arXiv 2022年
作者: Gankhuu, Battulga Department of Applied Mathematics National University of Mongolia Ulaanbaatar Mongolia
For a public company, pricing and hedging models of options and equity–linked life insurance products have been sufficiently developed. However, for a private company, because of unobserved prices, pricing and hedgin... 详细信息
来源: 评论
Functional Clustering for Longitudinal Associations between Social Determinants of Health and Stroke Mortality in the US
arXiv
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arXiv 2024年
作者: Luo, Fangzhi Tan, Jianbin Zhang, Donglan Huang, Hui Shen, Ye Department of Epidemiology and Biostatistics College of Public Health University of Georgia AthensGA United States Department of Biostatistics and Bioinformatics School of Medicine Duke University DurhamNC United States Department of Foundations of Medicine NYU Grossman Long Island School of Medicine MineolaNY United States Center for Applied Statistics School of Statistics Renmin University of China Beijing China
Understanding the longitudinally changing associations between Social Determinants of Health (SDOH) and stroke mortality is essential for effective stroke management. Previous studies have uncovered significant region... 详细信息
来源: 评论
Identification and Uncertainty Quantification of Hybrid Models with Incomplete Data for Chemometric Applications
SSRN
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SSRN 2024年
作者: Cong, Hongri Wang, Bo Chen, Tao School of Computing and Mathematical Sciences University of Leicester LeicesterLE1 7RH United Kingdom School of Chemistry and Chemical Engineering University of Surrey GuildfordGU2 7XH United Kingdom
Hybrid models, which integrate multiple modelling approaches, are crucial in accurately capturing complex systems in chemical engineering. The identification and quantification of uncertainties in these models signifi... 详细信息
来源: 评论
Many Hands Make Light Work: Group Influence maximization in Evolving Social Networks
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IEEE Transactions on Big Data 2024年
作者: Ma, Yuliang Chen, Yu Wei, Peng Yuan, Ye Wang, Guoren Jiang, Zhong-Zhong Northeastern University College of Information Science and Engineering Shenyang110167 China Northeastern University College of Information Science and Engineering Shenyang110189 China Shandong Branch Industrial and Commercial Bank of China Jinan250001 China Beijing Institute of Technology School of Computer Science and Technology Beijing100081 China Northeastern University School of Business Administration The Institute of Behavioral and Service Operations Management Shenyang110167 China
As the adage 'many hands make light work' suggests, collaborative influence often surpasses individual influence. Inspired by this insight, we undertook a study on group influence maximization in evolving soci... 详细信息
来源: 评论
Multi-objective Reinforcement Learning with Nonlinear Preferences: Provable Approximation for Maximizing Expected Scalarized Return
arXiv
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arXiv 2023年
作者: Peng, Nianli Tian, Muhang Fain, Brandon Harvard University CambridgeMA United States Duke University DurhamNC United States
We study multi-objective reinforcement learning with nonlinear preferences over trajectories. That is, we maximize the expected value of a nonlinear function over accumulated rewards (expected scalarized return or ESR... 详细信息
来源: 评论
High-dimensional variable clustering based on maxima of a weakly dependent random process
arXiv
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arXiv 2023年
作者: Boulin, Alexis Di Bernardino, Elena Laloë, Thomas Toulemonde, Gwladys Université Côte d’Azur CNRS LJAD France Univ Montpellier CNRS Montpellier France Inria Lemon France
We propose a new class of models for variable clustering called Asymptotic Independent block (AI-block) models, which defines population-level clusters based on the independence of the maxima of a multivariate station... 详细信息
来源: 评论
Geometric Sampling
arXiv
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arXiv 2023年
作者: Panahbehagh, Bardia Faculty of Mathematical Sciences and Computer Kharazmi University Tehran Iran
This paper introduces an innovative and intuitive finite population sampling method that have been developed using a unique geometric framework. In this approach, I represent first-order inclusion probabilities as bar... 详细信息
来源: 评论
Extending Cluster-Weighted Factor Analyzers for multivariate prediction and high-dimensional interpretability
arXiv
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arXiv 2024年
作者: Qin, Xiaoke Martella, Francesca Subedi, Sanjeena School of Mathematics and Statistics Carleton University ON Canada Department of Statistical Sciences Sapienza University of Rome Italy
Cluster-weighted factor analyzers (CWFA) are a versatile class of mixture models designed to estimate the joint distribution of a random vector that includes a response variable along with a set of explanatory variabl... 详细信息
来源: 评论
A novel family of beta mixture models for the differential analysis of DNA methylation data: an application to prostate cancer
arXiv
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arXiv 2022年
作者: Majumdar, Koyel Silva, Romina Perry, Antoinette Sabrina Watson, Ronald William Rau, Andrea Jaffrezic, Florence Murphy, Thomas Brendan Gormley, Isobel Claire School of Mathematics and Statistics University College Dublin Ireland School of Medicine University College Dublin Ireland Conway Institute of Biomedical and Biomolecular Research University College Dublin Ireland School of Biology and Environmental Science University College Dublin Ireland INRAE UMR1313 AgroParisTech GABI Université Paris-Saclay France
Identifying differentially methylated cytosine-guanine dinucleotide (CpG) sites between benign and tumour samples can assist in understanding disease. However, differential analysis of bounded DNA methylation data oft... 详细信息
来源: 评论
Non-linear Welfare-Aware Strategic Learning
arXiv
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arXiv 2024年
作者: Xie, Tian Zhang, Xueru Department of Computer Science and Engineering The Ohio State University United States
This paper studies algorithmic decision-making in the presence of strategic individual behaviors, where an ML model is used to make decisions about human agents and the latter can adapt their behavior strategically to... 详细信息
来源: 评论