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2009 Jun 09
2
Isolating a single plot from plots produced simultaneously
...n use the 'points' function to add the linear predictors for the untransformed and the log-transformed models. In the usual situation one would produce a plot and then type: coxfitu <- coxph(Surv(rem.Remtime,rem.Rcens)~age+strata(rpa),data=nearma) points(coxfitu$linear.predictor,col=2) coxfitl <- coxph(Surv(rem.Remtime,rem.Rcens)~log(age)+strata(rpa),data=nearma) points(coxfitl$linear.predictor,col=3) Can anyone tell me how to isolate just the second plot produced? Thank you for your help, Laura