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OPTIMAL MODEL AVERAGING BASED ON GENERALIZED METHOD OF MOMENTS 期刊论文
STATISTICA SINICA, 2021, 卷号: 31, 期号: 4, 页码: 2103-2122
作者:  Zhang, Xinyu
收藏  |  浏览/下载:126/0  |  提交时间:2022/04/02
Asymptotic optimality  consistency  generalized method of moments  model averaging  
Social media sentiment, model uncertainty, and volatility forecasting 期刊论文
ECONOMIC MODELLING, 2021, 卷号: 102, 页码: 13
作者:  Lehrer, Steven;  Xie, Tian;  Zhang, Xinyu
收藏  |  浏览/下载:104/0  |  提交时间:2021/10/26
Model averaging  Volatility forecasting  Social media  Big data  Sentiment analysis  
Multimodel inference based on smoothed information criteria 期刊论文
SCIENCE CHINA-MATHEMATICS, 2021, 页码: 16
作者:  Zhao, Shangwei;  Zhang, Xinyu
收藏  |  浏览/下载:132/0  |  提交时间:2021/10/26
information criterion  model averaging  multimodel inference  variance estimation  weight  
Time-varying model averaging? 期刊论文
JOURNAL OF ECONOMETRICS, 2021, 卷号: 222, 期号: 2, 页码: 974-992
作者:  Sun, Yuying;  Hong, Yongmiao;  Lee, Tae-Hwy;  Wang, Shouyang;  Zhang, Xinyu
收藏  |  浏览/下载:169/0  |  提交时间:2021/06/01
Asymptotic optimality  Forecast combination  Local stationarity  Model averaging  Structural change  Time-varying model averaging  
Model averaging estimation for high-dimensional covariance matrices with a network structure 期刊论文
ECONOMETRICS JOURNAL, 2021, 卷号: 24, 期号: 1, 页码: 177-197
作者:  Zhu, Rong;  Zhang, Xinyu;  Ma, Yanyuan;  Zou, Guohua
收藏  |  浏览/下载:158/0  |  提交时间:2021/06/01
asymptotic optimality  consistency  covariance regression network model  Mallows criterion  model averaging  
PARALLEL ENERGY-STABLE SOLVER FOR A COUPLED ALLEN-CAHN AND CAHN-HILLIARD SYSTEM 期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2020, 卷号: 42, 期号: 5, 页码: C294-C312
作者:  Huang, Jizu;  Yang, Chao;  Wei, Ying
收藏  |  浏览/下载:140/0  |  提交时间:2021/04/26
coupled Allen-Cahn/Cahn-Hilliard system  discrete variational derivative method  unconditionally energy stable scheme  Newton-Krylov-Schwarz  domain decomposition method