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Gibbs Sampling Method in the Multidimensional Logistic Response Model with Missing Responses
Abstract:
Missing data are often a problem in statistical modeling. How to estimate item parameters with missing data in item response theory (IRT) is an interesting issue. The Bayesian paradigm offers a natural model-based solution for this problem by treating missing values as random variables and estimating their posterior distributions. In this article, based on a data augmentation scheme using the Gibbs sampler, we propose a Bayesian procedure to estimate the multidimensional two parameter Logistic model with missing responses.
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3830-3833
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May 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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