| aids {gss} | R Documentation | 
A data set collected by Centers for Disease Control and Prevention concerning AIDS patients who were infected with the HIV virus through blood transfusion.
data(aids)
A data frame containing 295 observations on the following variables.
	incu  | Time from HIV infection to AIDS diagnosis. | 
	infe  | Time from HIV infection to end of data collection (July 1986). | 
	age  | Age at time of blood transfusion. | 
Wang, M.-C. (1989), A semiparametric model for randomly truncated data. Journal of the American Statistical Association, 84, 742–748.