CSpace

浏览/检索结果: 共4条,第1-4条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
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:131/0  |  提交时间:2021/10/26
information criterion  model averaging  multimodel inference  variance estimation  weight  
Model averaging prediction for time series models with a diverging number of parameters 期刊论文
JOURNAL OF ECONOMETRICS, 2021, 卷号: 223, 期号: 1, 页码: 190-221
作者:  Liao, Jun;  Zou, Guohua;  Gao, Yan;  Zhang, Xinyu
收藏  |  浏览/下载:136/0  |  提交时间:2021/10/26
Asymptotic optimality  Autoregressive process  Consistency  Mallows criterion  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:156/0  |  提交时间:2021/06/01
asymptotic optimality  consistency  covariance regression network model  Mallows criterion  model averaging