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1-10 of 4784 results for covariation model

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Select article: Modelling conditional covariance in the linear mixed model

Retricted access

Research article

First published 2007-04

Modelling conditional covariance in the linear mixed model

Jianxin Pan, Gilbert MacKenzie

Statistical Modelling

Select article: Regression models for covariance structures in longitudinal studies

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Research article

First published 2006-04

Regression models for covariance structures in longitudinal studies

Jianxin Pan, Gilbert MacKenzie

Statistical Modelling

Select article: Testing for treatment effect in covariate-adaptive randomized trials with generalized linear models and omitted covariates

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Research article

First published 2021-10

Testing for treatment effect in covariate-adaptive randomized trials with generalized linear models and omitted covariates

Yang Li, Wei Ma, Yichen Qin [...]

Statistical Methods in Medical Research

Select article: Different Approaches to Covariate Inclusion in the Mixture Rasch Model

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Research article

First published 2016-10

Different Approaches to Covariate Inclusion in the Mixture Rasch Model

Tongyun Li, Hong Jiao, George B. Macready

Educational and Psychological Measurement

Select article: The impact of covariance misspecification in group-based trajectory models for longitudinal data with non-stationary covariance structure

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Research article

First published 2017-8

The impact of covariance misspecification in group-based trajectory models for longitudinal data with non-stationary covariance structure

Christopher E Davies, Gary FV Glonek, Lynne C Giles

Statistical Methods in Medical Research

Select article: A Mixture Rasch Model With a Covariate

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Research article

First published 2013-7

A Mixture Rasch Model With a Covariate

Yunyun Dai

Applied Psychological Measurement

Select article: The Bayesian Covariance Structure Model for Testlets

Open access

Research article

First published 2021-4

The Bayesian Covariance Structure Model for Testlets

Jean-Paul Fox, Jeremias Wenzel, Konrad Klotzke

Journal of Educational and Behavioral Statistics

Select article: Investigating Approaches to Estimating Covariate Effects in Growth Mixture Modeling: A Simulation Study

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Research article

First published 2017-10

Investigating Approaches to Estimating Covariate Effects in Growth Mixture Modeling: A Simulation Study

Ming Li, Jeffrey R. Harring

Educational and Psychological Measurement

Select article: Testing Measurement Invariance Across Unobserved Groups: The Role of Covariates in Factor Mixture Modeling

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Research article

First published 2021-2

Testing Measurement Invariance Across Unobserved Groups: The Role of Covariates in Factor Mixture Modeling

Yan Wang, Eunsook Kim, John M. Ferron [...]

Educational and Psychological Measurement

Select article: Improving convergence in growth mixture models without covariance structure constraints

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Research article

First published 2021-4

Improving convergence in growth mixture models without covariance structure constraints

Daniel McNeish, Jeffrey R. Harring

Statistical Methods in Medical Research

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