A data frame with 500 observations and 66 variables. The first 22 variables (prefixed 'log') describe the residential status at a given age : 0 = not independent, 1 = independent. The next 22 variables (prefixed 'mat') describe the matrimonial status at a given age : 1 = never been in a relationship, 2 = cohabiting union, 3 = married, 4 = separated. The last 22 variables (prefixed 'nenf') describe the parental status at a given age : 0 = no child, 1 = one child, 2 = two children, 3 = three children or more.