A parameter expansion version of the SAEM algorithm
Statistics and Computing
Maximum likelihood estimation in nonlinear mixed effects models
Computational Statistics & Data Analysis
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An estimator for parameters of nonlinear mixed effects models obtained by maximisation of a simulated pseudo-likelihood, is proposed. This simulated criterion is constructed from the likelihood of a Gaussian model whose means and variances are given by Monte-Carlo approximations of means and variances of the true model. The main advantage of the obtained estimator is that its asymptotic properties are known when the number of observations per individual is finite. The performance of this estimator is compared to existing estimators using simulations.