A Multilevel Latent Variable Model for Multidimensional Longitudinal Data
We propose a latent variable approach for modeling repeated multiple continuous responses. First the item correlation over time is explained by using latent growth curves, then the variability among items is accounted for by an overall latent variable. An EM algorithm is implemented to obtain maximum likelihood estimation of the model parameters.
KeywordsLatent Variable Level Unit Level Equation Latent Growth Curve Latent Growth Model
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