no code implementations • 2 Aug 2024 • Hengrui Cai, Huaqing Jin, Lexin Li
Estimating treatment effects from observational data is of central interest across numerous application domains.
1 code implementation • 5 Jun 2024 • Ryumei Nakada, Yichen Xu, Lexin Li, Linjun Zhang
Imbalanced data and spurious correlations are common challenges in machine learning and data science.
1 code implementation • 30 May 2023 • Yunzhe Zhou, Chengchun Shi, Lexin Li, Qiwei Yao
In this article, we propose a nonparametric test for the Markov property in high-dimensional time series via deep conditional generative learning.
no code implementations • 17 May 2023 • Xin Zhou, Botao Hao, Jian Kang, Tor Lattimore, Lexin Li
A brain-computer interface (BCI) is a technology that enables direct communication between the brain and an external device or computer system.
1 code implementation • 26 Oct 2022 • Yunzhe Zhou, Zhengling Qi, Chengchun Shi, Lexin Li
In this article, we propose a novel pessimism-based Bayesian learning method for optimal dynamic treatment regimes in the offline setting.
no code implementations • 24 Oct 2021 • Xiaowu Dai, Lexin Li
In this article, we construct post-regularization confidence band for individual regulatory function in ODE with unknown functionals and noisy data observations.
1 code implementation • 2 Jun 2021 • Chengchun Shi, Yunzhe Zhou, Lexin Li
In this article, we propose a new hypothesis testing method for directed acyclic graph (DAG).
no code implementations • 4 May 2021 • Chanwoo Lee, Lexin Li, Hao Helen Zhang, Miaoyan Wang
Trace regression is a widely used method to model effects of matrix predictors and has shown great success in matrix learning.
no code implementations • 12 Mar 2021 • Xiaowu Dai, Lexin Li
Our proposal enjoys, to a good extent, both model interpretability and model flexibility.
no code implementations • 17 Jun 2020 • Daiwei Zhang, Lexin Li, Chandra Sripada, Jian Kang
Delineating the associations between images and a vector of covariates is of central interest in medical imaging studies.
1 code implementation • 3 Jun 2020 • Chengchun Shi, Tianlin Xu, Wicher Bergsma, Lexin Li
In this article, we study the problem of high-dimensional conditional independence testing, a key building block in statistics and machine learning.
no code implementations • 22 Feb 2020 • Jie Zhou, Will Wei Sun, Jingfei Zhang, Lexin Li
In this article, we develop a regression model with partially observed dynamic tensor as the response and external covariates as the predictor.
no code implementations • 11 Jun 2019 • Qingyang Wu, He Li, Lexin Li, Zhou Yu
With the widespread success of deep neural networks in science and technology, it is becoming increasingly important to quantify the uncertainty of the predictions produced by deep learning.
1 code implementation • 13 Nov 2018 • Miaoyan Wang, Lexin Li
We consider the problem of decomposing a higher-order tensor with binary entries.
no code implementations • 24 Aug 2017 • Will Wei Sun, Lexin Li
Existing tensor clustering methods either fail to account for the dynamic nature of the data, or are inapplicable to a general-order tensor.
no code implementations • 15 Sep 2016 • Will Wei Sun, Lexin Li
Motivated by applications in neuroimaging analysis, we propose a new regression model, Sparse TensOr REsponse regression (STORE), with a tensor response and a vector predictor.