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Asset selection based on high frequency Sharpe ratio 期刊论文
JOURNAL OF ECONOMETRICS, 2022, 卷号: 227, 期号: 1, 页码: 168-188
Authors:  Wang, Christina Dan;  Chen, Zhao;  Lian, Yimin;  Chen, Min
Favorite  |  View/Download:65/0  |  Submit date:2022/04/29
Asset selection  High frequency Sharpe ratio  Ultrahigh dimensional  Serial correlation  Sure screening property  
SPARSE COMPOSITE QUANTILE REGRESSION WITH ULTRAHIGH-DIMENSIONAL HETEROGENEOUS DATA 期刊论文
STATISTICA SINICA, 2022, 卷号: 32, 期号: 1, 页码: 459-475
Authors:  Qu, Lianqiang;  Hao, Meiling;  Sun, Liuquan
Favorite  |  View/Download:56/0  |  Submit date:2022/04/02
Quantile regression  sparsity  ultrahigh-dimensional data  variable screening  
Surrogate-variable-based model-free feature screening for survival data under the general censoring mechanism 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2021, 页码: 19
Authors:  Zhang, Jing;  Wang, Qihua;  Wang, Xuan
Favorite  |  View/Download:75/0  |  Submit date:2021/10/26
Feature screening  Model-free  Sure screening property  Survival data  Ultrahigh dimensionality  
Feature screening under missing indicator imputation with non-ignorable missing response 期刊论文
COMPUTATIONAL STATISTICS & DATA ANALYSIS, 2020, 卷号: 149, 页码: 12
Authors:  Zhang, Jing;  Wang, Qihua;  Kang, Jian
Favorite  |  View/Download:130/0  |  Submit date:2020/06/30
Model-free  Non-ignorable nonresponse  Sure screening property  Ultrahigh dimensionality  Variable screening  
Model-free feature screening for ultrahigh dimensional classification 期刊论文
JOURNAL OF MULTIVARIATE ANALYSIS, 2020, 卷号: 178, 页码: 12
Authors:  Sheng, Ying;  Wang, Qihua
Favorite  |  View/Download:117/0  |  Submit date:2020/06/30
Classification accuracy  The Bayes rule  Sure screening  Ultrahigh dimensional classification  
How to Make Model-free Feature Screening Approaches for Full Data Applicable to the Case of Missing Response? 期刊论文
SCANDINAVIAN JOURNAL OF STATISTICS, 2018, 卷号: 45, 期号: 2, 页码: 324-346
Authors:  Wang, Qihua;  Li, Yongjin
Favorite  |  View/Download:119/0  |  Submit date:2018/07/30
borrowing missingness information  missing data  ultrahigh dimensionality  variable screening  
Variable screening for ultrahigh dimensional heterogeneous data via conditional quantile correlations 期刊论文
JOURNAL OF MULTIVARIATE ANALYSIS, 2018, 卷号: 165, 页码: 1-13
Authors:  Zhang, Shucong;  Zhou, Yong
Favorite  |  View/Download:84/0  |  Submit date:2018/07/30
Conditional quantile correlation  Conditional quantile screening  Ultrahigh dimensionality  Varying coefficient models  
Model-free feature screening for ultrahigh-dimensional data conditional on some variables 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2018, 卷号: 70, 期号: 2, 页码: 283-301
Authors:  Liu, Yi;  Wang, Qihua
Favorite  |  View/Download:130/0  |  Submit date:2018/07/30
Conditional distance correlation  Feature selection  Sure screening property  High-dimensional data  
Estimation of high dimensional mean regression in the absence of symmetry and light tail assumptions 期刊论文
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES B-STATISTICAL METHODOLOGY, 2017, 卷号: 79, 期号: 1, 页码: 247-265
Authors:  Fan, Jianqing;  Li, Quefeng;  Wang, Yuyan
Favorite  |  View/Download:49/0  |  Submit date:2018/07/30
High dimension  Huber loss  M-estimator  Optimal rate  Robust regularization  
Sure explained variability and independence screening 期刊论文
JOURNAL OF NONPARAMETRIC STATISTICS, 2017, 卷号: 29, 期号: 4, 页码: 849-883
Authors:  Chen, Min;  Lian, Yimin;  Chen, Zhao;  Zhang, Zhengjun
Favorite  |  View/Download:99/0  |  Submit date:2018/07/30
Feature screening  sure screening property  generalised measures of correlation  nonparametric inference  model-free approach