Survival data on 1620 children with cancer, from Section 9.4 and Table 9.6.
Format
A data frame with 1620 rows and 7 variables:
- sex
Sex: 1 = male, 2 = female
- race
Race: 1 = white, 2 = nonwhite
- age
Age in years
- entry
Calendar date of entry in days since July 1, 2001
- far
Home distance from treatment center in miles
- t
Survival time in days
- d
Death indicator: 1 = death observed, 0 = censored
References
Efron, B. and Hastie, T. (2016). Computer Age Statistical Inference. Cambridge University Press, Section 9.4, Table 9.6.
Examples
data(pediatric)
str(pediatric)
#> 'data.frame': 1620 obs. of 7 variables:
#> $ sex : int 1 2 2 2 1 2 2 2 1 2 ...
#> $ race : int 1 1 2 1 1 1 1 1 1 1 ...
#> $ age : num 2.5 10 18.17 3.92 11.83 ...
#> $ entry: int 710 1866 2531 2210 875 1419 1264 670 1518 2101 ...
#> $ far : int 108 38 100 100 78 0 28 120 73 104 ...
#> $ t : int 325 1451 221 2158 760 168 2976 1833 131 2405 ...
#> $ d : int 0 0 0 0 0 0 0 0 0 0 ...