Works about COVARIANCE matrices

Results: 4097

IMPROVED ADAPTIVE THRESHOLDING LASSO CHART FOR MONITORING DISPERSION OF HIGHDIMENSIONAL PROCESSES USING GENERALIZED MULTIPLE DEPENDENT STATE SAMPLING.

Published in:

Reliability: Theory & Applications, 2025, v. 20, p. 324

By:

Hajiesmaeili, Mehrdad;
Maleki, Mohammad Reza;
Salmasnia, Ali

Publication type:

Article

Optimization Calculating of Artificial Intelligence IPGA Algorithm.

Published in:

International Journal of Pattern Recognition & Artificial Intelligence, 2025, v. 39, n. 7, p. 1, doi. 10.1142/S0218001425590098

By:

Zhou, Zhenliu;
Xia, Yan;
Yu, Shun;
Hu, Junyu;
Wang, Liming;
Hou, Rongxu

Publication type:

Article

复合高斯杂波下雷达目标自适应检测方法.

Published in:

Journal of Signal Processing, 2025, v. 41, n. 4, p. 739, doi. 10.12466/xhcl.2025.04.014

By:

简涛;
马颖亮;
谢梓铿;
魏广芬;
何佳

Publication type:

Article

基于杂波参数估计的空时极化自适应处理方法.

Published in:

Journal of Signal Processing, 2025, v. 41, n. 4, p. 609, doi. 10.12466/xhcl.2025.04.003

By:

杨志成;
田步秋;
陈威;
谢文冲

Publication type:

Article

基于共轭梯度加速的自适应二次约束零陷展宽方法研究.

Published in:

Journal of Signal Processing, 2025, v. 41, n. 4, p. 595, doi. 10.12466/xhcl.2025.04.002

By:

高志奇;
张恩赏;
黄平平

Publication type:

Article

自适应渐消并行扩展 H<sub>∞</sub> 滤波 SoC 估计.

Published in:

Electric Machines & Control / Dianji Yu Kongzhi Xuebao, 2025, v. 29, n. 2, p. 136, doi. 10.15938/j.emc.2025.02.014

By:

钱伟;
王亚丰;
郭向伟;
赵大中

Publication type:

Article

GEOMETRIC INSIGHTS INTO ROBUST PORTFOLIO CONSTRUCTION.

Published in:

International Journal of Theoretical & Applied Finance, 2024, v. 27, n. 7/8, p. 1, doi. 10.1142/S0219024924500249

By:

DALMEYER, LARA;
GEBBIE, TIM

Publication type:

Article

Parameterizing the LISREL Model as a Correlation Structure Model for More Efficient Parameter Estimates and More Powerful Statistical Tests.

Published in:

Structural Equation Modeling, 2025, v. 32, n. 3, p. 475, doi. 10.1080/10705511.2025.2450323

By:

Yuan, Ke-Hai;
Zhang, Zhiyong

Publication type:

Article

Journal of Nanjing University of Information Science & Technology (Natural Science Edition) / Nanjing Xinxi Gongcheng Daxue Xuebao (ziran kexue ban), 2025, v. 17, n. 2, p. 245, doi. 10.13878/j.cnki.jnuist.20240512002

By:

薛沐辉;
徐宝国;
李浪;
宋爱国

Publication type:

Article

Stochastic SO (2) Lie Group Method for Approximating Correlation Matrices.

Published in:

Mathematics (2227-7390), 2025, v. 13, n. 9, p. 1496, doi. 10.3390/math13091496

By:

Bildirici, Melike;
Ucan, Yasemen;
Tekercioglu, Ramazan

Publication type:

Article

SG-ResNet: Spatially Adaptive Gabor Residual Networks with Density-Peak Guidance for Joint Image Steganalysis and Payload Location.

Published in:

Mathematics (2227-7390), 2025, v. 13, n. 9, p. 1460, doi. 10.3390/math13091460

By:

Lai, Zhengliang;
Wu, Chenyi;
Zhu, Xishun;
Wu, Jianhua;
Duan, Guiqin

Publication type:

Article

Exploring dynamical whole-brain models in high-dimensional parameter spaces.

Published in:

PLoS ONE, 2025, v. 20, n. 5, p. 1, doi. 10.1371/journal.pone.0322983

By:

Wischnewski, Kevin J.;
Jarre, Florian;
Eickhoff, Simon B.;
Popovych, Oleksandr V.

Publication type:

Article

Validating attribute hierarchies in cognitive diagnosis models.

Published in:

Frontiers in Psychology, 2025, p. 1, doi. 10.3389/fpsyg.2025.1562807

By:

Zhang, Xueqin;
Jiang, Yu;
Xin, Tao;
Liu, Yanlou

Publication type:

Article

An information content approach to diagnosing and improving CLIMCAPS retrieval consistency across instruments and satellites.

Published in:

Atmospheric Measurement Techniques, 2025, v. 18, n. 8, p. 1823, doi. 10.5194/amt-18-1823-2025

By:

Smith, Nadia;
Barnet, Christopher D.

Publication type:

Article

An Adaptive Real-time Trajectory Privacy Protection Algorithm.

Published in:

Engineering Letters, 2025, v. 33, n. 5, p. 1491

By:

Yan Yan;
Pengbin Yan;
Xinyu Kou;
Long Wang

Publication type:

Article

Contributed Discussion.

Published in:

Bayesian Analysis, 2025, v. 20, n. 1, p. 322

By:

Bersson, Elizabeth

Publication type:

Article

Contributed Discussion.

Published in:

Bayesian Analysis, 2025, v. 20, n. 1, p. 291

By:

Vrotsos, Luke;
West, Mike

Publication type:

Article

Contributed Discussion.

Published in:

Bayesian Analysis, 2025, v. 20, n. 1, p. 287

By:

Denti, Francesco;
Rizzelli, Stefano

Publication type:

Article

Contributed Discussion.

Published in:

Bayesian Analysis, 2025, v. 20, n. 1, p. 283

By:

Avalos-Pacheco, Alejandra;
De Vito, Roberta;
Zens, Gregor

Publication type:

Article

Invited Discussion.

Published in:

Bayesian Analysis, 2025, v. 20, n. 1, p. 263

By:

Cross, Jamie L.;
Hoogerheide, Lennart;
van Dijk, Herman K.

Publication type:

Article

Data-Simulation-Driven Method to Identify the Mechanical Parameters of Rockmass in Deep-Buried Tunnel.

Published in:

Rock Mechanics & Rock Engineering, 2025, v. 58, n. 5, p. 5795, doi. 10.1007/s00603-025-04401-2

By:

Chen, Zitao;
Liu, Quansheng;
Pan, Yucong;
Yu, Honggan;
Li, Fulin;
Xu, Shuzhan

Publication type:

Article

Selection Criterion of Working Correlation Structure for Spatially Correlated Data.

Published in:

American Statistician, 2023, v. 77, n. 3, p. 283, doi. 10.1080/00031305.2022.2157874

By:

dos Santos, Marcelo;
De Bastiani, Fernanda;
Uribe-Opazo, Miguel A.;
Galea, Manuel

Publication type:

Article

Comment on "On the Power of the F-test for Hypotheses in a Linear Model," by Griffiths and Hill (2022).

Published in:

American Statistician, 2022, v. 76, n. 3, p. 308, doi. 10.1080/00031305.2022.2074540

By:

Harville, David A.

Publication type:

Article

Bayes Factors for Testing Order Constraints on Variances of Dependent Outcomes.

Published in:

American Statistician, 2021, v. 75, n. 2, p. 152, doi. 10.1080/00031305.2020.1715257

By:

Böing-Messing, Florian;
Mulder, Joris

Publication type:

Article

Bias in Small-Sample Inference With Count-Data Models.

Published in:

American Statistician, 2020, v. 74, n. 3, p. 267, doi. 10.1080/00031305.2018.1564699

By:

Blackburn, McKinley L.

Publication type:

Article

Visualizing Tests for Equality of Covariance Matrices.

Published in:

American Statistician, 2020, v. 74, n. 2, p. 144, doi. 10.1080/00031305.2018.1497537

By:

Friendly, Michael;
Sigal, Matthew

Publication type:

Article

Comment on Knaeble and Dutter (2017).

Published in:

American Statistician, 2018, v. 72, n. 4, p. 392, doi. 10.1080/00031305.2016.1278036

By:

Christensen, Ronald

Publication type:

Article

A Comparison of Correlation Structure Selection Penalties for Generalized Estimating Equations.

Published in:

American Statistician, 2017, v. 71, n. 4, p. 344, doi. 10.1080/00031305.2016.1200490

By:

Westgate, Philip M.;
Burchett, Woodrow W.

Publication type:

Article

Learning gene regulatory networks using gaussian process emulator and graphical LASSO.

Published in:

Journal of Bioinformatics & Computational Biology, 2021, v. 19, n. 3, p. N.PAG, doi. 10.1142/S0219720021500074

By:

Chatrabgoun, H.;
Soltanian, A. R.;
Mahjub, H.;
Bahreini, F.

Publication type:

Article

Bayesian estimation for mean vector of multivariate normal distribution on the linear and nonlinear exponential balanced loss based on wavelet decomposition.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2024, v. 22, n. 6, p. 1, doi. 10.1142/S0219691324500310

By:

Batvandi, Ziba;
afshari, Mahmoud;
Karamikabir, Hamid

Publication type:

Article

Lower bound estimation for a family of high-dimensional sparse covariance matrices.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2024, v. 22, n. 2, p. 1, doi. 10.1142/S0219691323500455

By:

Li, Huimin;
Liu, Youming

Publication type:

Article

A robust method for coherent and non-coherent source number detection using a special Hankel-based covariance matrix.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2023, v. 21, n. 4, p. 1, doi. 10.1142/S0219691323500029

By:

Fazli, Roohallah;
Owlia, Hadi;
Sheikhpour, Razieh

Publication type:

Article

Minimax optimal estimation of high-dimensional sparse covariance matrices with missing data.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2022, v. 20, n. 6, p. 1, doi. 10.1142/S0219691322500217

By:

Qi, Xinyu;
Wang, Jinru;
Zeng, Xiaochen

Publication type:

Article

Wavelet-based estimation in a semiparametric regression model.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2022, v. 20, n. 2, p. 1, doi. 10.1142/S0219691321500569

By:

de Dieu Nkou, Emmanuel;
Nkiet, Guy Martial

Publication type:

Article

Compact dictionary pair learning and refining based on principal components analysis.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2019, v. 17, n. 5, p. N.PAG, doi. 10.1142/S0219691319500334

By:

Yu, Yibin;
Yang, Min;
Zhang, Yulan;
Yuan, Shifang

Publication type:

Article

Statistical modeling implications for coffee progenies selection.

Published in:

Euphytica, 2016, v. 207, n. 1, p. 177, doi. 10.1007/s10681-015-1561-6

By:

Andrade, Vinícius;
Gonçalves, Flávia;
Nunes, José;
Botelho, César

Publication type:

Article

A Bayesian Graphical Approach for Large-Scale Portfolio Management with Fewer Historical Data.

Published in:

Asia-Pacific Financial Markets, 2022, v. 29, n. 3, p. 507, doi. 10.1007/s10690-022-09358-8

By:

Oya, Sakae

Publication type:

Article

The SIML Estimation of Integrated Covariance and Hedging Coefficient Under Round-off Errors, Micro-market Price Adjustments and Random Sampling.

Published in:

Asia-Pacific Financial Markets, 2015, v. 22, n. 3, p. 333, doi. 10.1007/s10690-015-9205-3

By:

Kunitomo, Naoto;
Misaki, Hiroumi;
Sato, Seisho

Publication type:

Article

Foreign Exchange Market Volatility in Southeast Asia.

Published in:

Asia-Pacific Financial Markets, 1999, v. 6, n. 3, p. 235, doi. 10.1023/A:1010024005469

By:

Wang, Peijie;
Wang, Ping

Publication type:

Article

Multi-sample hypothesis testing of high-dimensional mean vectors under covariance heterogeneity.

Published in:

Annals of the Institute of Statistical Mathematics, 2024, v. 76, n. 4, p. 579, doi. 10.1007/s10463-024-00896-8

By:

Wu, Lixiu;
Hu, Jiang

Publication type:

Article

Data-driven model selection for same-realization predictions in autoregressive processes.

Published in:

Annals of the Institute of Statistical Mathematics, 2023, v. 75, n. 4, p. 567, doi. 10.1007/s10463-022-00855-1

By:

Kamila, Kare

Publication type:

Article

Whittle estimation for continuous-time stationary state space models with finite second moments.

Published in:

Annals of the Institute of Statistical Mathematics, 2022, v. 74, n. 2, p. 233, doi. 10.1007/s10463-021-00802-6

By:

Fasen-Hartmann, Vicky;
Mayer, Celeste

Publication type:

Article

Gaussian graphical models with toric vanishing ideals.

Published in:

Annals of the Institute of Statistical Mathematics, 2021, v. 73, n. 4, p. 757, doi. 10.1007/s10463-020-00765-0

By:

Misra, Pratik;
Sullivant, Seth

Publication type:

Article

Hypothesis tests for high-dimensional covariance structures.

Published in:

Annals of the Institute of Statistical Mathematics, 2021, v. 73, n. 3, p. 599, doi. 10.1007/s10463-020-00760-5

By:

Ishii, Aki;
Yata, Kazuyoshi;
Aoshima, Makoto

Publication type:

Article

Copula and composite quantile regression-based estimating equations for longitudinal data.

Published in:

Annals of the Institute of Statistical Mathematics, 2021, v. 73, n. 3, p. 441, doi. 10.1007/s10463-020-00756-1

By:

Wang, Kangning;
Shan, Wen

Publication type:

Article

Quantile estimations via modified Cholesky decomposition for longitudinal single-index models.

Published in:

Annals of the Institute of Statistical Mathematics, 2019, v. 71, n. 5, p. 1163, doi. 10.1007/s10463-018-0673-x

By:

Lv, Jing;
Guo, Chaohui

Publication type:

Article

Asymptotic theory for varying coefficient regression models with dependent data.

Published in:

Annals of the Institute of Statistical Mathematics, 2018, v. 70, n. 4, p. 745, doi. 10.1007/s10463-017-0607-z

By:

Bandyopadhyay, Soutir;
Maity, Arnab

Publication type:

Article

A more powerful test identifying the change in mean of functional data.

Published in:

Annals of the Institute of Statistical Mathematics, 2018, v. 70, n. 3, p. 691, doi. 10.1007/s10463-017-0606-0

By:

Banerjee, Buddhananda;
Mazumder, Satyaki

Publication type:

Article

The uniqueness of the Fisher metric as information metric.

Published in:

Annals of the Institute of Statistical Mathematics, 2017, v. 69, n. 4, p. 879, doi. 10.1007/s10463-016-0562-0

By:

Lê, Hông

Publication type:

Article

On testing the equality of high dimensional mean vectors with unequal covariance matrices.

Published in:

Annals of the Institute of Statistical Mathematics, 2017, v. 69, n. 2, p. 365, doi. 10.1007/s10463-015-0543-8

By:

Hu, Jiang;
Bai, Zhidong;
Wang, Chen;
Wang, Wei

Publication type:

Article