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Biometrika 2006 93(1):53-64; doi:10.1093/biomet/93.1.53
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© 2006 Biometrika Trust

Latent-model robustness in structural measurement error models

Xianzheng Huang, Leonard A. Stefanski and Marie Davidian

Department of Statistics, North Carolina State University, Raleigh, North Carolina 27695-8203, U.S.A. xhuang{at}ncsu.edu, stefanski{at}ncsu.edu, davidian{at}ncsu.edu

We present methods for diagnosing the effects of model misspecification of the true-predictor distribution in structural measurement error models. We first formulate latent-model robustness theoretically. Then we provide practical techniques for examining the adequacy of an assumed latent predictor model. The methods are illustrated via analytical examples, application to simulated data and with data from a study of coronary heart disease.

Key Words: Bias; Latent variable; Measurement error; Remeasurement method; Simulation extrapolation; Structural modelling


Received January 2005. Revised September 2005.


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