roc.curves.plot {Comp2ROC} | R Documentation |
This function allows to plot the two roc curves in comparasion.
roc.curves.plot(sim1.curve, sim2.curve, mod1, mod2)
sim1.curve |
Curve 1 created using the function |
sim2.curve |
Curve 2 created using the function |
mod1 |
Name of Modality 1 |
mod2 |
Name of Modality 2 |
read.file
read.manually.introduced
data(zhang) moda1 = "modality1" moda2 = "modality2" data = read.manually.introduced(zhang, moda1, TRUE, moda2, TRUE, "status", TRUE) sim1.ind = unlist(data[1]) sim2.ind = unlist(data[2]) sim1.sta = unlist(data[3]) sim2.sta = unlist(data[4]) sim1.pred = prediction(sim1.ind, sim1.sta) sim2.pred = prediction(sim2.ind, sim2.sta) sim1.curve = performance(sim1.pred, "tpr", "fpr") sim2.curve = performance(sim2.pred, "tpr", "fpr") roc.curves.plot(sim1.curve, sim2.curve, mod1=moda1, mod2=moda2)