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\name{bladder}
\alias{bladder}
\alias{bladder2}
\title{Bladder Cancer Recurrences}
\usage{data(bladder)}
\description{Data on recurrences of bladder cancer, used by many people
to demonstrate methodology for recurrent event modelling.}
\format{
bladder
\tabular{ll}{
id:\tab Patient id\cr
rx:\tab Treatment 1=placebo 2=thiotepa\cr
number:\tab Initial number of tumours (8=8 or more)\cr
size:\tab size (cm) of largest initial tumour\cr
stop:\tab recurrence or censoring time\cr
enum:\tab which recurrence (up to 4)\cr
}
bladder2
\tabular{ll}{
id:\tab Patient id\cr
rx:\tab Treatment 1=placebo 2=thiotepa\cr
number:\tab Initial number of tumours (8=8 or more)\cr
size:\tab size (cm) of largest initial tumour\cr
start:\tab start of interval (0 or previous recurrence time)\cr
stop:\tab recurrence or censoring time\cr
enum:\tab which recurrence (up to 4)\cr
}
}
\source{Wei, Lin, Weisfeld, JASA 1989}
\keyword{datasets}
\keyword{survival}
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