Little, Roderick J.A.; Pullum, Thomas W. - In: Sociological Methods & Research 7 (1979) 4, pp. 475-501
A formal comparison is made between direct standardization and three cross- classified data structures: tables of means which are linear additive; tables of means which are log-linear additive; and tables of frequencies which are log-linear addi tive and can be converted to tables of proportions...