Results 31 to 40 of about 1,520,947 (358)

Dynamic Latent Class Analysis

Structural Equation Modeling: A Multidisciplinary Journal, 2016
This article describes the general time-intensive longitudinal latent class modeling framework implemented in Mplus. For each individual a latent class variable is measured at each time point and the latent class changes across time follow a Markov process (i.e., a hidden or latent Markov model), with subject-specific transition probabilities that are ...
Asparouhov, T., Hamaker, E.L., Muthén, B.   +2 more
openaire   +3 more sources

Studying the coherence of studentsʼ portrayed representations of the atomic structure - Connections with conceptions and misconceptions

Science Education International, 2021
The present study investigated the association of students’ fundamental ideas and misconceptions about ontological features of atom identity and behavior with the formation of their portrayed representations of the atomic structure. Participants (n = 421)
Nikolaos Zarkadis , Dimitrios Stamovlasis , George Papageogiou   +2 more
doaj   +1 more source

Neuropsychiatric profiles and conversion to dementia in mild cognitive impairment, a latent class analysis

Scientific Reports, 2021
Neuropsychiatric symptoms (NPS) have been recently addressed as risk factors of conversion to Alzheimer’s disease (AD) and other dementia types in patients diagnosed with Mild Cognitive Impairment (MCI).
N. Roberto, M. Portella, M. Marquié, M. Alegret, I. Hernández, A. Mauleon, M. Rosende-Roca, C. Abdelnour, Ester Esteban de Antonio, S. Gil, J. P. Tartari, L. Vargas, A. Espinosa, G. Ortega, A. Pérez-Cordón, Á. Sanabria, A. Orellana, I. de Rojas, S. Moreno-Grau, L. Montrreal, E. Alarcón‐Martín, A. Ruiz, L. Tárraga, M. Boada, S. Valero   +24 more
semanticscholar   +1 more source

Clustering of Health-Related Behavior Patterns and Demographics. Results From the Population-Based KORA S4/F4 Cohort Study

Frontiers in Public Health, 2019
Background: Health behaviors are of great importance for public health. Previous research shows that health behaviors are clustered and do not occur by chance.
Matthias Rabel, Matthias Rabel, Michael Laxy, Michael Laxy, Barbara Thorand, Barbara Thorand, Annette Peters, Annette Peters, Lars Schwettmann, Filip Mess   +9 more
doaj   +1 more source

Mixture of latent trait analyzers for model-based clustering of categorical data [PDF]

, 2013
Model-based clustering methods for continuous data are well established and commonly used in a wide range of applications. However, model-based clustering methods for categorical data are less standard. Latent class analysis is a commonly used method for
A. Frank, A. Hadgu, A.E. Raftery, A.P. Dempster, B. Efron, B. Muthén, C. Biernacki, C. Fraley, C.M. Bishop, D. Karlis, D.J. Bartholomew, D.J. Bartholomew, D.J. Bartholomew, D.K. Pauler, E.A. Erosheva, E.A. Erosheva, E.A. Erosheva, E.S. Allman, G. Celeux, G. McLachlan, G. McLachlan, G. McLachlan, G. Rasch, G. Schwarz, Isabella Gollini, J. Baek, J. Rost, J. Rost, J. Vermunt, J. Vermunt, J. Vermunt, J.L. Andrews, J.S. Uebersax, L.A. Goodman, M. Abramowitz, M. Davier von, M. Davier von, M.D. Sammel, M.E. Tipping, N. Dean, P.D. McNicholas, P.D. McNicholas, R.D. Bock, S. Brin, S.E. Fienberg, T.I. Lin, T.I. Lin, T.S. Jaakkola, Thomas Brendan Murphy, Y. Qu   +49 more
core   +2 more sources

Multimorbidity patterns and associated factors in a megacity: a cross-sectional study [PDF]

Revista de Saúde Pública
OBJECTIVE To identify empirical patterns of multimorbidity and quantify their associations with socioeconomic, behavioral characteristics, and health outcomes in the megacity of São Paulo.
Ricardo Goes de Aguiar, Daniela Simões, Shamyr Sulyvan Castro, Moises Goldbaum, Chester Luiz Galvão Cesar, Raquel Lucas   +5 more
doaj   +1 more source

Longitudinal analysis of symptom-based clustering in patients with primary Sjogren’s syndrome: a prospective cohort study with a 5-year follow-up period

Journal of Translational Medicine, 2021
Background Sjogren’s syndrome (SS) is a heterogenous disease with various phenotypes. We aimed to provide a relevant subclassification based on symptom-based clustering for patients with primary (p) SS.
Jennifer Jooha Lee, Young Jae Park, Misun Park, Hyeon Woo Yim, Sung Hwan Park, Seung-Ki Kwok   +5 more
doaj   +1 more source

Gambling Subgroups among Korean Out-of-school Adolescents [PDF]

Child Health Nursing Research, 2020
Purpose The number of Korean adolescents engaging in gambling is increasing, especially among out-of-school adolescents. This study aimed to identify patterns of gambling activities and factors related to specific subgroups of out-of-school adolescent ...
Kyonghwa Kang, Yi Kyung Ha, Hwal Lan Bang   +2 more
doaj   +1 more source

Variational Bayesian multinomial probit regression with Gaussian process priors [PDF]

, 2005
It is well known in the statistics literature that augmenting binary and polychotomous response models with Gaussian latent variables enables exact Bayesian analysis via Gibbs sampling from the parameter posterior.
Girolami, M., Rogers, S.
core   +4 more sources

Application of latent class analysis in assessing the competency of physicians in China

BMC Medical Education, 2017
Background The physicians’ competency is an important public health issue around the world. Several international organizations have taken the lead in examining the competencies required to be a physician.
Zhuang Liu, Yue Zhang, Lei Tian, Baozhi Sun, Qing Chang, Yuhong Zhao   +5 more
doaj   +1 more source