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I am sorry that this is another novice question. I am having trouble using "legend" with the survival curve plot from the survival package, and I wonder if it is because I have rescaled my plot. Here is the relevant segment of code: > plot(survfit(Surv(OS,Status)~shortishcr1),main='Overall Survival by factor', + xlab='Years',ylab='% surviving',lty=c(1,2),xscale=365.25,yscale=100) > legend(5,80,c('Factor=1','Factor=2'),lty=c(1,2)) Here the variable OS is in days, but I want to plot it in years, so I scale it; likewise y is sc...