asCharacterDT           Forcing the character/string data type on a
                        selected set of columns of a data.table object
asFactorDT              Forcing the character/string data type on a
                        selected set of columns of a data.table object
asIntegerDT             Forcing the integer data type on a selected set
                        of columns of a data.table object
asLogicalDT             Forcing the logical/boolean data type on a
                        selected set of columns of a data.table object
asNumericDT             Forcing the numeric data type on a selected set
                        of columns of a data.table object
checkDT                 Checking if an object is a data.table object
                        and (optional) testing if some column names are
                        valid for it
detectWeirdLevelNamesDT
                        Detecting which levels of which factor of a
                        data.table object contain non-alpha numeric
                        characters (including whitespace) characters
extractLevelDT          Extracting the levels of all or a selected set
                        of the factor columns of a data.table object
extractRefLevelDT       Extracting the reference level of all or a
                        selected set of the factor columns of a
                        data.table object
isCharacterDT           Testing if a set of columns of a data.table
                        object corresponds to the character/string data
                        type
isFactorDT              Testing if a set of columns of a data.table
                        object corresponds to the factor data type
isIntegerDT             Testing if a set of columns of a data.table
                        object corresponds to the integer data type
isLogicalDT             Testing if a set of columns of a data.table
                        object corresponds to the logical/boolean data
                        type
isNumericDT             Testing if a set of columns of a data.table
                        object corresponds to the numeric data type
lowFreqLevel2MissingDT
                        Transform levels of all the factor columns of a
                        data.table object to missing if too little
                        observations pertain to a given level of it.
rbindDT                 Glueing, not merging, two data.table objects
                        together, by matching column names
removeEmptyLevelsDT     Remove empty levels from all the factor columns
                        of a data.table object
setRefLevelDT           Setting the reference level of all or a
                        selected set of the factor columns of a
                        data.table object
sortByRowIndexDT        Order the rows of a data.table object by index
