Survival Times and White Blood Counts for Leukaemia Patients

Arguments

wbc white blood count
ag a test result, "present" or "absent"
time survival time in weeks

SUMMARY

A data frame of data from 33 leukaemia patients.

DATA DESCRIPTION

A data frame with columns:

SOURCE

D.R. Cox and D. Oakes (1984) Analysis of Survival Data, Chapman & Hall, p. 9. Taken from

Feigl, P. & Zelen, M. (1965) Estimation of exponential survival probabilities with concomitant information. Biometrics, 21, 826-838.

Examples

library(survival4)
data(leuk)
attach(leuk)
plot(survfit(Surv(time) ~ ag), lty=c(2,3))

# now Cox models
leuk.cox <- coxph(Surv(time) ~ ag+log(wbc))
summary(leuk.cox)


[Package Contents]