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Forecasting Tourism Demand With a New Time-Varying Forecast Averaging Approach 期刊论文
JOURNAL OF TRAVEL RESEARCH, 2021, 页码: 19
作者:  Sun, Yuying;  Zhang, Jian;  Li, Xin;  Wang, Shouyang
收藏  |  浏览/下载：113/0  |  提交时间：2022/04/02
forecast combination  nonparametric estimation  structural changes  tourism demand  time-varying jackknife model averaging  
Research on imbalance between supply and demand in China's natural gas market under the double-track price system 期刊论文
ENERGY POLICY, 2021, 卷号: 155, 页码: 11
作者:  Chai, Jian;  Zhang, Xiaokong;  Lu, Quanying;  Zhang, Xuejun;  Wang, Yabo
收藏  |  浏览/下载：111/0  |  提交时间：2021/10/26
Natural gas  Double-track price system  Imbalance  NARDL  China  
Projection-based and cross-validated estimation in high-dimensional Cox model 期刊论文
SCANDINAVIAN JOURNAL OF STATISTICS, 2021, 页码: 20
作者:  Zhang, Haixiang;  Huang, Jian;  Sun, Liuquan
收藏  |  浏览/下载：146/0  |  提交时间：2021/04/26
cross‐  validation  high‐  dimensional nuisance parameters  hypothesis test  oracle inequality  sample splitting