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\name{aids}
\alias{aids}
\title{AIDS Incubation}
\description{
A data set collected by Centers for Disease Control and Prevention
concerning AIDS patients who were infected with the HIV virus
through blood transfusion.
}
\usage{data(aids)}
\format{
A data frame containing 295 observations on the following variables.
\tabular{ll}{
\code{incu} \tab Time from HIV infection to AIDS diagnosis.\cr
\code{infe} \tab Time from HIV infection to end of data
collection (July 1986).\cr
\code{age} \tab Age at time of blood transfusion.
}
}
\source{
Wang, M.-C. (1989), A semiparametric model for randomly truncated
data. \emph{Journal of the American Statistical Association},
\bold{84}, 742--748.
}
\keyword{datasets}
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