ggplot AUC curve
ggplot AUC curves
## S3 method for class 'Score' autoplot( object, models, type = "score", lwd = 2, xlim, ylim, axes = TRUE, conf.int = FALSE, ... )
object |
Object obtained with |
models |
Choice of models to plot |
type |
Character. Either |
lwd |
Line width |
xlim |
Limits for x-axis |
ylim |
Limits for y-axis |
axes |
Logical. If |
conf.int |
Logical. If |
... |
Not yet used |
library(survival) library(ggplot2) d=sampleData(100,outcome="survival") nd=sampleData(100,outcome="survival") f1=coxph(Surv(time,event)~X1+X6+X8,data=d,x=TRUE,y=TRUE) f2=coxph(Surv(time,event)~X2+X5+X9,data=d,x=TRUE,y=TRUE) xx=Score(list(f1,f2), formula=Surv(time,event)~1, data=nd, metrics="auc", null.model=FALSE, times=seq(3:10)) g <- autoplot(xx) print(g) aucgraph <- plotAUC(xx) plotAUC(xx,conf.int=TRUE) plotAUC(xx,which="contrasts") plotAUC(xx,which="contrasts",conf.int=TRUE)
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