convert                 Conversion of non-factor/non-numeric variables.
generateNA              Adds Missing Values to a Vector, Matrix or Data
                        Frame
imputeUnivariate        Univariate Imputation
missRanger              Fast Imputation of Missing Values by Chained
                        Random Forests
pmm                     Predictive Mean Matching
revert                  Revert conversion.
typeof2                 A version of 'typeof' internally used by
                        'missRanger'.
