ForImp.Mahala           Imputation of missing data by using Nearest
                        Neighbour Imputation with the Mahalanobis
                        distance
ForImp.PCA              Imputation of missing data by alternating
                        Nearest Neighbour Imputation and Principal
                        Component Analysis
GenForImp-package       The Forward Imputation: A Sequential
                        Distance-Based Approach for Imputing Missing
                        Data
missing.gen             Generating random missing values on a data
                        matrix
missing.gen0            Generating random missing values on a data
                        matrix
