spss.compute.concat     Generate SPSS 'COMPUTE' syntax to compute the
                        CONCAT() of two (sets of) variables.
spss.compute.max        Generate SPSS 'COMPUTE' syntax to compute the
                        MAX() of two (sets of) variables.
spss.concat.new         Generate SPSS 'STRING' syntax and 'COMPUTE'
                        syntax to compute the CONCAT() of two (sets of)
                        variables.
spss.format.compute     Generate SPSS 'COMPUTE' syntax to carry out an
                        operation on two (sets of) variables.
spss.format.concat      Generate SPSS 'concat()' syntax for two (sets
                        of) variables.
spss.format.max         Generate SPSS 'MAX()' syntax for two (sets of)
                        variables.
spss.rename             Generate SPSS 'RENAME' syntax to rename a (set
                        of) variables into another.
spss.rtrim              Generate SPSS 'RTRIM' syntax to apply RTRIM()
                        to a string variable.
spss.string             Generate SPSS 'STRING' syntax to create a
                        variable of type string.
