Dear helpers,
I am trying to plot two survival curves in the same figure.
plot(survival)
// in matlab, one just need to call "hold on"
plot(survival2)
I am wondering how to do it in R. Thank you very much!
--
Zhandong Liu
Genomics and Computational Biology
University of Pennsylvania
616 BRB II/III, 421 Curie Boulevard
University of Pennsylvania School of Medicine
Philadelphia, PA 19104-6160
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