Imbalanced mixed linear regression

P Zilber, B Nadler - Advances in Neural Information …, 2023 - proceedings.neurips.cc
We consider the problem of mixed linear regression (MLR), where each observed sample
belongs to one of $ K $ unknown linear models. In practical applications, the mixture of the …

Robust structured heterogeneity analysis approach for high‐dimensional data

Y Sun, Z Luo, X Fan - Statistics in Medicine, 2022 - Wiley Online Library
Revealing relationships between genes and disease phenotypes is a critical problem in
biomedical studies. This problem has been challenged by the heterogeneity of diseases …

Generalized Matrix Local Low Rank Representation by Random Projection and Submatrix Propagation

P Dang, H Zhu, T Guo, C Wan, T Zhao… - Proceedings of the 29th …, 2023 - dl.acm.org
Matrix low rank approximation is an effective method to reduce or eliminate the statistical
redundancy of its components. Compared with the traditional global low rank methods such …

Global Convergence of Online Identification for Mixed Linear Regression

Y Liu, Z Liu, L Guo - arXiv preprint arXiv:2311.18506, 2023 - arxiv.org
Mixed linear regression (MLR) is a powerful model for characterizing nonlinear relationships
by utilizing a mixture of linear regression sub-models. The identification of MLR is a …

A comparative study of clustering methods on gene expression data for lung cancer prognosis

JZ Zhang, C Wang - BMC Research Notes, 2023 - Springer
Lung cancer subtyping based on gene expression data is important for identifying patient
subgroups with differing survival prognosis to facilitate customized treatment strategies for …

SSMD: a semi-supervised approach for a robust cell type identification and deconvolution of mouse transcriptomics data

X Lu, SW Tu, W Chang, C Wan, J Wang… - Briefings in …, 2021 - academic.oup.com
Deconvolution of mouse transcriptomic data is challenged by the fact that mouse models
carry various genetic and physiological perturbations, making it questionable to assume …

RobMixReg: an R package for robust, flexible and high dimensional mixture regression

W Chang, C Wan, C Yu, W Yao, C Zhang, S Cao - bioRxiv, 2020 - biorxiv.org
Motivation Mixture regression has been widely used as a statistical model to untangle the
latent subgroups of the sample population. Traditional mixture regression faces challenges …

[PDF][PDF] Rethink Boolean matrix factorization by bias-aware disentangled representation learning

P Dang, H Zhu, T Guo, C Wan, T Zhao, P Salama… - KDD, 2023 - par.nsf.gov
Low rank representation of a matrix can reduce or eliminate the statistical redundancy
among its components, and enable a lower dimensional representation without significant …

Improving the accuracy and internal consistency of regression-based clustering of high-dimensional datasets

B Zhang, J He, J Hu, P Chalise… - Statistical applications in …, 2023 - degruyter.com
Abstract Component-wise Sparse Mixture Regression (CSMR) is a recently proposed
regression-based clustering method that shows promise in detecting heterogeneous …

on the stability and internal consistency of component-wise sparse mixture regression-based clustering

B Zhang, J He, J Hu, DC Koestler… - Briefings in …, 2022 - academic.oup.com
Understanding the relationship between molecular markers and a phenotype of interest is
often obfuscated by patient-level heterogeneity. To address this challenge, Chang et al …