Emmanuel Lesaffre, Bart Spiessens, On the Effect of the Number of Quadrature Points in a Logistic Random-Effects Model: An Example, Journal of the Royal Statistical Society.

We compare the impact of model violation for two parameterisations of the regression model. Substantial bias in the conditionally specified regression point estimators can result from using a simple ...

Just as PROC GLM is the flagship procedure for fixed-effect linear models, the MIXED procedure is the flagship procedure for random- and mixed-effect linear models. PROC MIXED fits a variety of mixed ...