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Title: Latent factor regression models for grouped outcomes
Authors: Woodard, Dawn
Love, Tanzy
Thurston, Sally
Ruppert, David
Sathyanarayana, Sheela
Swan, Shanna
Keywords: factor analysis
multiple outcomes
Issue Date: 31-Jan-2012
Abstract: We consider models for the effect of exposure on multiple outcomes, where the outcomes are nested in domains. We show that random effect models for this nested situation fit into a standard factor model framework, which leads us to view the modeling options as a spectrum between parsimonious random effect multiple outcomes models and more general continuous latent factor models. We introduce a set of models along this spectrum that extend an existing random effect model for multiple outcomes nested in domains. We characterize the tradeoffs between parsimony and flexibility in this set of models, applying them to both simulated data and data relating phthalate exposure to infant anthropometry.
Appears in Collections:ORIE Technical Reports

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