Fit negative binomial mixed-effect regression model.
Description
Fit negative binomial mixed-effect regression model. For the distribution of subject-specific random intercept, a gamma or log-normal distributions or semi-parametric procedure are allowed. For the safety monitoring, subject-specific conditional probability index can be computed. For details, see Zhao, Y., Li, D.K.B., Petkau, J.A., Riddehough, A. & Traboulsee, A. Detection of unusual increases in MRI lesion counts in multiple sclerosis patients.