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  • Adaptive Fitting of Mixed-Effects Models with Correlated Random-effects 

    Zhang, Guangxiang (The Graduate School, Stony Brook University: Stony Brook, NY., 1-Aug-11)
    Linear mixed-effects model (LMM) has been widely used in hierarchical and longitudinal data analyses. In practice, the fitting algorithm can fail to converge because of boundary issues of the estimated random-effects ...