heart {MASS} | R Documentation |
The Stanford heart transplant data
Description
The Stanford heart transplant data from Kalbfleisch & Prentice.
Format
A data frame with columns:
start
- start time in days. Either 0 or time of transplant.
transplant
- is this before (0) or after (1) transplantation?
stop
- time of transplant or death or censoring (days)
event
- death (1) or censored (0)
age
- patient's age in years at acceptance, less 48.
year
- date of acceptance. Actually days since 1967/10/1 divided by 365.25.
surgery
- prior surgery (0 = no, 1 = yes).
- id
- Patient's ID
Source
Kalbfleisch, J.D. and Prentice R.L. (1980)
The Statistical Analysis of Failure Time Data.