plotAUC: Plot of time-dependent AUC curves

Description Usage Arguments Examples

View source: R/plotAUC.R

Description

Plot of time-dependent AUC curves

Usage

1
2
3
plotAUC(x, models, which = "score", xlim, ylim, xlab, ylab, col, lwd,
  lty = 1, cex = 1, pch = 1, type = "l", axes = 1L,
  percent = 1L, conf.int = 0L, legend = 1L, ...)

Arguments

x

Object obtained with Score.list

models

Choice of models to plot

which

Character. Either "score" to show AUC or "contrasts" to show differences between AUC.

xlim

Limits for x-axis

ylim

Limits for y-axis

xlab

Label for x-axis

ylab

Label for y-axis

col

line color

lwd

line width

lty

line style

cex

point size

pch

point style

type

line type

axes

Logical. If TRUE draw axes.

percent

Logical. If TRUE scale y-axis in percent.

conf.int

Logical. If TRUE draw confidence shadows.

legend

Logical. If TRUE draw legend.

...

Used for additional control of the subroutines: plot,

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
library(survival)
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("X1+X6+X8"=f1,"X2+X5+X9"=f2), formula=Surv(time,event)~1,
data=nd, metrics="auc", null.model=FALSE, times=seq(3:10))
aucgraph <- plotAUC(xx)
plotAUC(xx,conf.int=TRUE)
## difference between 
plotAUC(xx,which="contrasts",conf.int=TRUE)

riskRegression documentation built on Oct. 5, 2018, 1:03 a.m.