BlauDuncan-example        Blau-Duncan-- Education of fathers and sons
GSS-example               GSS example-- parent-child education
HealthInsurance-example   HealthInsurance example
HealthInsurance-plot      Health Insurance plots
nested-methods-examples   test nested-methods
wlf-nested-example        Womenlf nested examples
wlf-nested-plot           Womenlf nested plots
wlf-nested-test           Womenlf nested tests
