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Social media sentiment, model uncertainty, and volatility forecasting 期刊论文
ECONOMIC MODELLING, 2021, 卷号: 102, 页码: 13
Authors:  Lehrer, Steven;  Xie, Tian;  Zhang, Xinyu
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Model averaging  Volatility forecasting  Social media  Big data  Sentiment analysis  
Closed-loop identification for a class of nonlinearly parameterized discrete-time systems 期刊论文
AUTOMATICA, 2021, 卷号: 131, 页码: 11
Authors:  Li, Chanying
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Closed-loop identification  Strong consistency  Nonlinear estimator  Parametric systems  Random noises  
On estimating optimal regime for treatment initiation time based on restricted mean residual lifetime 期刊论文
BIOMETRICS, 2021, 页码: 13
Authors:  Chen, Xin;  Song, Rui;  Zhang, Jiajia;  Adams, Swann Arp;  Sun, Liuquan;  Lu, Wenbin
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individualized treatment regime  kernel estimation  optimal treatment initiation time  time-to-event data  value function  
Stability of the distributed Kalman filter using general random coefficients 期刊论文
SCIENCE CHINA-INFORMATION SCIENCES, 2021, 卷号: 64, 期号: 7, 页码: 14
Authors:  Gan, Die;  Xie, Siyu;  Liu, Zhixin
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distributed Kalman filter  collective random observability  L-p-stable  L-p-exponentially stable  state estimation  
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
Authors:  Liao, Jun;  Zou, Guohua;  Gao, Yan;  Zhang, Xinyu
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Asymptotic optimality  Autoregressive process  Consistency  Mallows criterion  Model averaging  
Analysis of multivariate longitudinal data using dynamic lasso-regularized copula models with application to large pediatric cardiovascular studies 期刊论文
JOURNAL OF APPLIED STATISTICS, 2021, 页码: 28
Authors:  Zhang, Wei;  Wu, Colin O.;  Ma, Xiaoyang;  Tian, Xin;  Li, Qizhai
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Dynamic copula model  functional parameter  lasso-regularized spline estimator  multivariate longitudinal data  statistical machine learning  time-varying covariate  
Time-varying model averaging? 期刊论文
JOURNAL OF ECONOMETRICS, 2021, 卷号: 222, 期号: 2, 页码: 974-992
Authors:  Sun, Yuying;  Hong, Yongmiao;  Lee, Tae-Hwy;  Wang, Shouyang;  Zhang, Xinyu
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Asymptotic optimality  Forecast combination  Local stationarity  Model averaging  Structural change  Time-varying model averaging  
Matrix optimization based Euclidean embedding with outliers 期刊论文
COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, 2021, 卷号: 79, 期号: 2, 页码: 235-271
Authors:  Zhang, Qian;  Zhao, Xinyuan;  Ding, Chao
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Euclidean embedding  Outliers  Matrix optimizationg  Low-rank matrix  Error bound  
A General Framework for Nonparametric Identification of Nonlinear Stochastic Systems 期刊论文
IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 2021, 卷号: 66, 期号: 6, 页码: 2449-2464
Authors:  Zhao, Wenxiao;  Weyer, Erik;  Yin, George
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Convex optimization  nonlinear autoregressive systems with exogenous inputs (NARX)  nonparametric  identification  stochastic approximation  strong consistency  
Forecasting Bitcoin realized volatility by exploiting measurement error under model uncertainty 期刊论文
JOURNAL OF EMPIRICAL FINANCE, 2021, 卷号: 62, 页码: 179-201
Authors:  Qiu, Yue;  Wang, Zongrun;  Xie, Tian;  Zhang, Xinyu
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HARQ  Model averaging  &  nbsp  Bitcoin  Realized volatility