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Did you mean: my_curve
2008 Mar 02
1
Problem plotting curve on survival curve (something silly?)
...t;, xlab="Time (months)", ylab="Probability of Survival") That produces this: http://www.wittongilbert.free-online.co.uk/RGraph.jpg All of that is very nice so far. The I followed bits and pieces of other peoples posts in the past to plot on a weibull regression... > my_curve.Plac <- survreg( Surv(Survival, Censored==0)~ TreatmentGroup, subset=TreatmentGroup=="Placebo", data=TestData, dist='weibull') > curve(pweibull(x, scale=exp(coef(my_curve.Plac)), shape=1/my_curve.Plac$scale, lower.tail=FALSE),from=0, col="black", to=max(TestD...