centerX                 Cluster-center a design matrix around cluster
                        means
drgee                   Doubly Robust Generalized Estimating Equations
drgee-package           Doubly Robust Generalized Estimating Equations
drgeeData               Extracting Variables and Model Matrices for
                        Generalized Estimating equations
findRoots               Non Linear Equation System Solving
gee                     Generalized Estimating Equations
getScoreResidualsFromClogit
                        Get the (conditional) score residuals from
                        conditional logistic regression
robVcov                 Robust Variance Calculation
