catImp                  Imputation for categorical variables using log
                        linear models
ctsTrialWide            Simulated example data with continuous outcome
                        measured repeatedly over time
mixImp                  Imputation for a mixture of continuous and
                        categorical variables using the general
                        location model.
normImp                 Multivariate normal model imputation
normUniImp              Normal regression imputation of a single
                        variable
refBasedCts             Reference based imputation of repeated measures
                        continuous data
scoreBased              Score based variance estimation for multiple
                        imputation
withinBetween           Within between variance estimation
