This contains the bladder cancer recurrences data in a different format. In this study, patients had superficial bladder tumors that were removed by transurethral resection. Many patients had multiple recurrences (up to a maximum of 9) of tumors during the study, and new tumors were removed at each visit. Only the first two recurrence times (in months) are considered.
A data frame with 85 observations on the following 4 variables.
Time until first recurrence/censoring time.
First recurrence indicator.
Time until second recurrence/censoring time, i.e. the total time of the process.
First or second recurrence indicator, i.e. the censoring indicator of the total time.
Wei L. J., Lin D. Y., Weissfeld L. (1989). Regression analysis of multivariate incomplete failure time data by modeling marginal distributions. Journal of the American Statistical Association, 84(408), 1065-1073. doi: 10.2307/2290084
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