[R] two group cox model

2010-10-30 Thread cheba meier
Dear all, I am doing library(survival) fit - coxph(Surv(futime,fustat) ~ rx, ovarian) plot(survfit(fit,newdata=ovarian),col=c(1,2)) legend(bottomleft, legend=c(rx = 0, rx = 1), lty=c(1,2),col=c(1,2)) Is this correct to compare these two groups? Is the 0.31 the p-value that the median f

Re: [R] two group cox model

2010-10-30 Thread David Winsemius
On Oct 30, 2010, at 4:36 PM, cheba meier wrote: Dear all, I am doing library(survival) fit - coxph(Surv(futime,fustat) ~ rx, ovarian) plot(survfit(fit,newdata=ovarian),col=c(1,2)) legend(bottomleft, legend=c(rx = 0, rx = 1), lty=c(1,2),col=c(1,2)) Is this correct to compare these