咨询与建议

限定检索结果

文献类型

  • 501 篇 期刊文献
  • 110 篇 会议
  • 8 篇 学位论文
  • 2 篇 资讯

馆藏范围

  • 621 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 393 篇 工学
    • 180 篇 电气工程
    • 174 篇 计算机科学与技术...
    • 54 篇 信息与通信工程
    • 46 篇 控制科学与工程
    • 26 篇 机械工程
    • 25 篇 软件工程
    • 19 篇 仪器科学与技术
    • 19 篇 电子科学与技术(可...
    • 17 篇 生物医学工程(可授...
    • 10 篇 交通运输工程
    • 9 篇 环境科学与工程(可...
    • 8 篇 测绘科学与技术
    • 8 篇 化学工程与技术
  • 290 篇 理学
    • 171 篇 统计学(可授理学、...
    • 92 篇 数学
    • 80 篇 生物学
    • 33 篇 物理学
    • 10 篇 系统科学
    • 8 篇 化学
    • 8 篇 地球物理学
  • 92 篇 经济学
    • 89 篇 应用经济学
    • 7 篇 理论经济学
  • 83 篇 管理学
    • 49 篇 管理科学与工程(可...
    • 26 篇 公共管理
    • 8 篇 工商管理
  • 79 篇 医学
    • 41 篇 基础医学(可授医学...
    • 30 篇 临床医学
    • 19 篇 公共卫生与预防医...
    • 8 篇 特种医学
  • 38 篇 农学
  • 12 篇 教育学
    • 12 篇 心理学(可授教育学...
  • 3 篇 法学
  • 1 篇 文学
  • 1 篇 军事学
  • 1 篇 艺术学

主题

  • 621 篇 expectation-maxi...
  • 35 篇 maximum likeliho...
  • 29 篇 gaussian mixture...
  • 22 篇 expectation-maxi...
  • 21 篇 parameter estima...
  • 16 篇 mixture models
  • 15 篇 clustering
  • 15 篇 missing data
  • 14 篇 hidden markov mo...
  • 13 篇 mixture model
  • 12 篇 maximum likeliho...
  • 11 篇 channel estimati...
  • 10 篇 model selection
  • 10 篇 image segmentati...
  • 10 篇 estimation
  • 9 篇 kalman filter
  • 8 篇 hidden markov mo...
  • 8 篇 model-based clus...
  • 7 篇 bayesian methods
  • 6 篇 censored data

机构

  • 6 篇 univ trent dept ...
  • 4 篇 chinese acad sci...
  • 4 篇 univ hong kong d...
  • 4 篇 univ perugia dep...
  • 4 篇 guangzhou univ s...
  • 4 篇 harbin inst tech...
  • 4 篇 nanyang technol ...
  • 3 篇 princeton univ d...
  • 3 篇 graz univ techno...
  • 3 篇 univ pisa dept i...
  • 3 篇 mcmaster univ de...
  • 3 篇 gazi univ fac te...
  • 3 篇 univ elect sci &...
  • 3 篇 univ elect sci &...
  • 3 篇 univ genoa dept ...
  • 3 篇 univ n carolina ...
  • 3 篇 univ perugia dep...
  • 2 篇 colorado state u...
  • 2 篇 radboud univ nij...
  • 2 篇 patna univ dept ...

作者

  • 17 篇 bartolucci franc...
  • 12 篇 pennoni fulvia
  • 6 篇 pandolfi silvia
  • 6 篇 liu xin
  • 6 篇 yang xianqiang
  • 5 篇 kosko bart
  • 4 篇 osoba osonde
  • 4 篇 badeau roland
  • 4 篇 huang biao
  • 4 篇 audhkhasi kartik
  • 4 篇 tian guo-liang
  • 4 篇 ubeyli elif dery...
  • 4 篇 xiong weili
  • 4 篇 li shuwei
  • 3 篇 liu yin
  • 3 篇 lesouple julien
  • 3 篇 sun jianguo
  • 3 篇 chen qingxia
  • 3 篇 vitetta gm
  • 3 篇 zeng donglin

语言

  • 578 篇 英文
  • 37 篇 其他
  • 5 篇 中文
  • 1 篇 西班牙文
检索条件"主题词=expectation-maximization algorithm"
621 条 记 录,以下是521-530 订阅
排序:
One-shot device test data analysis using non-parametric and semi-parametric inferential methods and applications
收藏 引用
RELIABILITY ENGINEERING & SYSTEM SAFETY 2022年 221卷
作者: Zhu, Xiaojun Balakrishnan, N. Xian Jiaotong Liverpool Univ Dept Financial & Actuarial Math Suzhou 215123 Peoples R China McMaster Univ Dept Math & Stat Hamilton ON L8S 4K1 Canada
A one-shot device, such as an automobile airbag, electro-explosive unit or munition, is a product that can be used only once. Its actual lifetime is unobservable, rendering the corresponding reliability analysis quite... 详细信息
来源: 评论
Moments of Mixture Periodic Autoregressive Models
收藏 引用
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS 2011年 第22期40卷 3937-3947页
作者: Bentarzi, M. Merzougui, M. Univ Sci & Technol USTHB Algiers Algeria Univ MHamed Bouguera Boumerdes Algeria
This article deals with the study of some properties of a mixture periodically correlated autoregressive (MPAR(S)) time series model, which extends the mixture time invariant parameter autoregressive (MAR) model, that... 详细信息
来源: 评论
An EM algorithm-Based Disintegrated Channel Estimator for OFDM AF Cooperative Relaying
收藏 引用
IEICE TRANSACTIONS ON COMMUNICATIONS 2013年 第1期E96B卷 254-262页
作者: Sheu, Jeng-Shin Sheen, Wern-Ho Natl Yunlin Univ Sci & Technol Dept Comp Sci & Informat Engn Touliu Yunlin Taiwan Chaoyang Univ Technol Dept Informat & Commun Engn Taichung Taiwan
The cooperative orthogonal frequency-division multiplexing (OFDM) relaying system is widely regarded as a key design for future broadband mobile cellular systems. This paper focuses on channel estimation in such a sys... 详细信息
来源: 评论
MODELING AND CLASSIFICATION OF DEATHS DUE TO COVID-19 BASED ON MACHINE LEARNING TECHNIQUE
收藏 引用
THERMAL SCIENCE 2023年 第1期27卷 405-410页
作者: Alharbi, Randa Univ Tabuk Fac Sci Dept Stat Tabuk Saudi Arabia
Statistical classification is recently considered one of the most important and most common methods in machine learning models and consists of building mod-els that define the target of research interest. There are ma... 详细信息
来源: 评论
Trajectory Modeling of Longitudinal Binary Data: Application of the EM algorithm for Mixture Models
收藏 引用
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION 2014年 第3期43卷 495-519页
作者: Chu, Man-Kee M. Koval, John J. Univ Western Ontario Dept Stat & Actuarial Sci London ON N6A 5B7 Canada Univ Western Ontario Dept Epidemiol & Biostat London ON N6A 5B7 Canada
A developmental trajectory describes the course of behavior over time. Identifying multiple trajectories within an overall developmental process permits a focus on subgroups of particular interest. We introduce a fram... 详细信息
来源: 评论
Inference for an Inverted Exponentiated Pareto Distribution Under Progressive Censoring
收藏 引用
JOURNAL OF STATISTICAL THEORY AND PRACTICE 2019年 第1期13卷 1-32页
作者: Maurya, Raj Kamal Tripathi, Yogesh Mani Sen, Tanmay Rastogi, Manoj Kumar Indian Inst Technol Patna Dept Math Bihta 801106 India Patna Univ Dept Stat Patna 800005 Bihar India
In this paper, estimation of unknown parameters of an inverted exponentiated Pareto distribution is considered under progressive Type-II censoring. Maximum likelihood estimates are obtained from the expectation-maximi... 详细信息
来源: 评论
A Study of EM algorithm as an Imputation Method: A Model-Based Simulation Study with Application to a Synthetic Compositional Data
收藏 引用
Open Journal of Modelling and Simulation 2024年 第2期12卷 33-42页
作者: Yisa Adeniyi Abolade Yichuan Zhao Department of Mathematics and Statistics Georgia State University Atlanta Georgia USA
Compositional data, such as relative information, is a crucial aspect of machine learning and other related fields. It is typically recorded as closed data or sums to a constant, like 100%. The statistical linear mode... 详细信息
来源: 评论
Discrete Latent Variable Models
收藏 引用
Statistics and Its Application 1000年 第1期9卷 425-452页
作者: Francesco Bartolucci Silvia Pandolfi Fulvia Pennoni 1Department of Economics University of Perugia Perugia 06123 Italy email: francesco.bartolucci@unipg.itsilvia.pandolfi@unipg.it 2Department of Statistics and Quantitative Methods University of Milano-Bicocca Milan 20126 Italy email: fulvia.pennoni@unimib.it
We review the discrete latent variable approach, which is very popular in statistics and related fields. It allows us to formulate interpretable and flexible models that can be used to analyze complex datasets in the ... 详细信息
来源: 评论
Direct Importance Estimation with a Mixture of Probabilistic Principal Component Analyzers
收藏 引用
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS 2010年 第10期E93D卷 2846-2849页
作者: Yamada, Makoto Sugiyama, Masashi Wichern, Gordon Simm, Jaak Tokyo Inst Technol Tokyo 1528552 Japan JST PRESTO Tokyo 1528552 Japan MIT Lincoln Lab Lexington MA 02420 USA
Estimating the ratio of two probability density functions (a.k.a. the importance) has recently gathered a great deal of attention since importance estimators can be used for solving various machine learning and data m... 详细信息
来源: 评论
Model Parameter Estimation and Residual Life Prediction for a Partially Observable Failing System
收藏 引用
NAVAL RESEARCH LOGISTICS 2015年 第3期62卷 190-205页
作者: Khaleghei, Akram Makis, Viliam Univ Toronto Dept Mech & Ind Engn Toronto ON M5S 3G8 Canada
We consider a partially observable degrading system subject to condition monitoring and random failure. The system's condition is categorized into one of three states: a healthy state, a warning state, and a failu... 详细信息
来源: 评论