format
The mariages
data frame has 9 rows and 9 columns.
The rows represent the wife's socio-professionnal category and the columns the husband's socio-professionnal category (1982).
Codes for rows and columns are identical : agri (Farmers), ouva (Farm workers),
pat (Company directors (commerce and industry)), sup (Liberal profession, executives and higher intellectual professions),
moy (Intermediate professions), emp (Other white-collar workers), ouv (Manual workers), serv (Domestic staff),
aut (other workers).source
Vallet, L.A. (1986)
Activit� professionnelle de la femme mari�e et d�termination de la position sociale de la famille.
Un test empirique : la France entre 1962 et 1982.
Revue Fran�aise de Sociologie, 27, 656--696.