no code implementations • 30 Aug 2024 • Jingguo Lan, Hongmei Lin, Xueqin Wang
A refined estimation within the active set follows, ensuring sparse estimates and matching the minimax $\ell_2$ error bound.
no code implementations • 17 Jun 2024 • Zezhi Wang, Jin Zhu, Junxian Zhu, Borui Tang, Hongmei Lin, Xueqin Wang
The numerical results on these specific tasks reveal that SCOPE perfectly identifies the true support set with a 10--1000 speedup over the standard exact solver, confirming SCOPE's algorithmic and theoretical merits.
1 code implementation • 27 Mar 2024 • Zezhi Wang, Jin Zhu, Peng Chen, Huiyang Peng, Xiaoke Zhang, Anran Wang, Junxian Zhu, Xueqin Wang
Applying iterative solvers on sparsity-constrained optimization (SCO) requires tedious mathematical deduction and careful programming/debugging that hinders these solvers' broad impact.
no code implementations • 12 Sep 2023 • Borui Tang, Jin Zhu, Junxian Zhu, Xueqin Wang, Heping Zhang
SIMs provide an interpretable and flexible modeling framework for high-dimensional data, while best subset selection aims to find a sparse model from a large set of predictors.
no code implementations • 1 Aug 2023 • Junxian Zhu, Jin Zhu, Borui Tang, Xuanyu Chen, Hongmei Lin, Xueqin Wang
In high-dimensional generalized linear models, it is crucial to identify a sparse model that adequately accounts for response variation.
no code implementations • 29 Nov 2022 • Canhong Wen, Ruipeng Dong, Xueqin Wang, Weiyu Li, Heping Zhang
Sparse reduced rank regression is an essential statistical learning method.
no code implementations • 31 Jul 2022 • Yukang Jiang, Xueqin Wang, Zhixi Xiong, Haisheng Yang, Ting Tian
The paper proposes a time-varying parameter global vector autoregressive (TVP-GVAR) framework for predicting and analysing developed region economic variables.
no code implementations • 26 May 2022 • Yukang Jiang, Ting Tian, Huajun Xie, Hailiang Guo, Xueqin Wang
We unveil the geographical variations in the influence of population movement at different travel distances on the dynamics of epidemic spread.
2 code implementations • 19 Oct 2021 • Jin Zhu, Xueqin Wang, Liyuan Hu, Junhao Huang, Kangkang Jiang, Yanhang Zhang, Shiyun Lin, Junxian Zhu
In addition, a user-friendly R library is available at the Comprehensive R Archive Network.
1 code implementation • 23 Apr 2021 • Yanhang Zhang, Junxian Zhu, Jin Zhu, Xueqin Wang
Best subset of groups selection (BSGS) is the process of selecting a small part of non-overlapping groups to achieve the best interpretability on the response variable.
no code implementations • 7 Oct 2020 • Jin Zhu, Wangwei Wu, Yuting Zhang, Shiyun Lin, Yukang Jiang, Ruixian Liu, Xueqin Wang
Microsatellite instability (MSI) is associated with several tumor types and its status has become increasingly vital in guiding patient treatment decisions.
no code implementations • 7 Oct 2020 • Yukang Jiang, Jianying Pan, Yanhe Shen, Jin Zhu, Jiamin Huang, Huirui Xie, Xueqin Wang, Yan Luo
Retina image processing is one of the crucial and popular topics of medical image processing.
1 code implementation • 9 Nov 2018 • Jin Zhu, Wenliang Pan, Wei Zheng, Xueqin Wang
The rapid development of modern technology facilitates the appearance of numerous unprecedented complex data which do not satisfy the axioms of Euclidean geometry, while most of the statistical hypothesis tests are available in Euclidean or Hilbert spaces.
Computation