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Complexity of the simplest species tree problem 期刊论文
MOLECULAR BIOLOGY AND EVOLUTION, 2021, 卷号: 38, 期号: 9, 页码: 3993-4009
Authors:  Zhu, Tianqi;  Yang, Ziheng
Favorite  |  View/Download:36/0  |  Submit date:2022/04/02
concatenation  efficiency  molecular clock  MSC  multispecies coalescent  species tree  
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
Favorite  |  View/Download:39/0  |  Submit date:2021/10/26
Asymptotic optimality  Autoregressive process  Consistency  Mallows criterion  Model averaging  
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
Favorite  |  View/Download:55/0  |  Submit date:2021/10/26
HARQ  Model averaging  &  nbsp  Bitcoin  Realized volatility  
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
Authors:  Zhu, Rong;  Zhang, Xinyu;  Ma, Yanyuan;  Zou, Guohua
Favorite  |  View/Download:57/0  |  Submit date:2021/06/01
asymptotic optimality  consistency  covariance regression network model  Mallows criterion  model averaging  
Error-corrected estimation of a diagnostic accuracy index of a biomarker against a continuous gold standard 期刊论文
STATISTICS IN MEDICINE, 2020, 页码: 25
Authors:  Wu, Mixia;  Zhang, Xiaoyu;  Zhang, Wei;  Zhang, Xu;  Liu, Aiyi
Favorite  |  View/Download:50/0  |  Submit date:2021/01/14
adaptive estimation  additive errors  asymptotic normality  biomarkers  diagnostic accuracy  measurement errors  reliability coefficient  
Quantifying the generalization error in deep learning in terms of data distribution and neural network smoothness 期刊论文
NEURAL NETWORKS, 2020, 卷号: 130, 页码: 85-99
Authors:  Jin, Pengzhan;  Lu, Lu;  Tang, Yifa;  Karniadakis, George Em
Favorite  |  View/Download:56/0  |  Submit date:2021/01/14
Neural networks  Generalization error  Learnability  Data distribution  Cover complexity  Neural network smoothness  
A second-order and nonuniform time-stepping maximum-principle preserving scheme for time-fractional Allen-Cahn equations 期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 卷号: 414, 页码: 16
Authors:  Liao, Hong-lin;  Tang, Tao;  Zhou, Tao
Favorite  |  View/Download:76/0  |  Submit date:2020/06/30
Time-fractional Allen-Cahn equation  Alikhanov formula  Adaptive time-stepping strategy  Discrete maximum principle  Sharp error estimate  
Improving the initialization speed for long-range NRTK in network solution mode 期刊论文
SCIENCE CHINA-TECHNOLOGICAL SCIENCES, 2020, 卷号: 63, 期号: 5, 页码: 866-873
Authors:  Zhang Ming;  Lu JinHu;  Bai ZhengDong;  Liu Hui;  Fan ChengCheng
Favorite  |  View/Download:79/0  |  Submit date:2020/06/30
initialization speed  network real time kinematic (NRTK)  reference station  ambiguity resolution (AR)  network solution (NS) mode  baseline solution (BS) mode  
Comparative studies on the adequacy check of parametric measurement error models with auxiliary variable 期刊论文
STATISTICAL PAPERS, 2020, 页码: 29
Authors:  Sun, Zhihua;  Luo, Dongshan;  Zhou, Xiaohua;  Zhang, Qingzhao
Favorite  |  View/Download:59/0  |  Submit date:2020/05/24
Weighted integrated squared distance test  U-statistic test  Empirical process based test  Power comparisons  Measurement error  
Distributed Kalman Filters With State Equality Constraints: Time-Based and Event-Triggered Communications 期刊论文
IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 2020, 卷号: 65, 期号: 1, 页码: 28-43
Authors:  He, Xingkang;  Hu, Chen;  Hong, Yiguang;  Shi, Ling;  Fang, Hai-Tao
Favorite  |  View/Download:74/0  |  Submit date:2020/05/24
Kalman filters  Observability  Covariance matrices  STEM  Protocols  State estimation  Collective observability  communication rate  consistency  distributed kalman filter  event-triggered  multiagent systems  state equality constraint (SEC)