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Erratum to: Fitting an item response theory model with random item effects across groups by a variational approximation.
Frank Rijmen
Minjeong Jeon
Published in:
Ann. Oper. Res. (2013)
Keyphrases
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em algorithm
gaussian mixture model
variational approximation
parameter estimation
variational bayes
probability density function
generative model
similarity measure
statistical models
bayesian framework
least squares