Plotting two ROC curves
Hello,
Do you know how to draw two ROC curves together? I showed that two SNPs are relevant to develop a disease, and I want to show how ROC curve improves if I add one SNP to the other SNP.
Just using par(new=T) creates two x-axis and y-axis, so I want to draw two curves and one x&y-axis.
Thank you!
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Jean-Karim Heriche
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khn
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khn
1 answer
Try with the R pROC package:
library(pROC)
roc1 <- plot.roc(outcome1, prediction1, main="ROC comparison", percent=TRUE, col= "red")
roc2 <- lines.roc(outcome2, prediction2, percent=TRUE, col="blue")
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I changed your post type from 'Tool' to 'Question'. The 'Tool' type is meant for promotion of novel tools.
see https://rocr.bioinf.mpi-sb.mpg.de/
Thank you so much. So helpful!!