number of observations : 20186
observation : Individuals country : United States
data(HealthIns)'male' and 'female','no' and 'yes'.Deb P. and P. K. Trivedi (2002) : The structure of demand for medical care: latent class versus two-part models, Journal of Health Economics, 21, pp. 601-625. Cameron C. and P. K. Trivedi (2008) : Microeconometrics Using Stata, Stata Press.