A spectral method for identifiable grade of membership analysis with binary responses

L Chen, Y Gu - psychometrika, 2024‏ - Springer
Grade of membership (GoM) models are popular individual-level mixture models for
multivariate categorical data. GoM allows each subject to have mixed memberships in …

A comparison of mixed and partial membership diagnostic classification models with multidimensional item response models

A Robitzsch - Information, 2024‏ - mdpi.com
Diagnostic classification models (DCM) are latent structure models with discrete multivariate
latent variables. Recently, extensions of DCMs to mixed membership have been proposed …

Finding mixed memberships in categorical data

H Qing - Information Sciences, 2024‏ - Elsevier
Latent class analysis, a fundamental problem in categorical data analysis, often encounters
overlap** latent classes that introduce further challenges. This paper presents a solution …

Generalized grade-of-membership estimation for high-dimensional locally dependent data

L Chen, C Huang, Y Gu - arxiv preprint arxiv:2412.19796, 2024‏ - arxiv.org
This work focuses on the mixed membership models for multivariate categorical data widely
used for analyzing survey responses and population genetics data. These grade of …

Joint mixed membership modeling of multivariate longitudinal and survival data for learning the individualized disease progression

Y He, X Song, K Kang - The Annals of Applied Statistics, 2024‏ - projecteuclid.org
Joint mixed membership modeling of multivariate longitudinal and survival data for learning
the individualized disease progressi Page 1 The Annals of Applied Statistics 2024, Vol. 18 …

A Blockwise Mixed Membership Model for Multivariate Longitudinal Data: Discovering Clinical Heterogeneity and Identifying Parkinson's Disease Subtypes

K Kang, Y Gu - arxiv preprint arxiv:2410.01235, 2024‏ - arxiv.org
Current diagnosis and prognosis for Parkinson's disease (PD) face formidable challenges
due to the heterogeneous nature of the disease course, including that (i) the impairment …

Biclustering of Log Data: Insights from a Computer-Based Complex Problem Solving Assessment

X Xu, S Zhang, J Guo, T **n - Journal of Intelligence, 2024‏ - mdpi.com
Computer-based assessments provide the opportunity to collect a new source of behavioral
data related to the problem-solving process, known as log file data. To understand the …

Tree-informed Bayesian multi-source domain adaptation: cross-population probabilistic cause-of-death assignment using verbal autopsy

Z Wu, ZR Li, I Chen, M Li - Biostatistics, 2024‏ - academic.oup.com
Determining causes of deaths (CODs) occurred outside of civil registration and vital statistics
systems is challenging. A technique called verbal autopsy (VA) is widely adopted to gather …

Bayesian finite mixtures of ising models

Z Miao, YC Chen, A Dobra - Metrika, 2024‏ - Springer
We introduce finite mixtures of Ising models as a novel approach to study multivariate
patterns of associations of binary variables. Our proposed models combine the strengths of …

Grade of membership analysis for multi-layer categorical data

H Qing - arxiv preprint arxiv:2408.09418, 2024‏ - arxiv.org
Consider a group of individuals (subjects) participating in the same psychological tests with
numerous questions (items) at different times. The observed responses can be recorded in …