Description Usage Format References
In the AIDS data, survival data can be summarized for each of patients. Times to death were also recorded with 40 percent of censoring rate.
1 | data("aids.id")
|
A data frame with 467 observations on the following 12 variables.
patientpatients identifier for 467 patients
Timetime to death or censoring
deathstatus with 0 denoting censoring and 1 death for patient
CD4CD4 cells count
obstimetime points at which the CD4 cells count was recorded
druga factor with levels ddC (zalcitabine) and ddI (didanosine)
gendera factor with levels female and male
prevOIa factor with levels noAIDS (previous opportunistic infection at study entry) and AIDS (no previous infection)
AZTa factor with levels intolerance (AZT intolerance) and failure (AZT failure)
startstart of time in the first interval
stopend of time in the first interval
eventstatus with 0 denoting censoring and 1 death in the first interval
Rizopoulos, D. (2015). JM: Joint Modeling of Longitudinal and Survival Data. R package version 1.4-2.
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