>library(ROCR)>plot(roc1) >plot(roc2)gives two plots on two different graph. Now i want to merge on a single graph.>plot(roc1) >points(roc2)Error in as.vector(x, "double") : cannot coerce to vector any solution? -- View this message in context: http://www.nabble.com/How-to-draw-several-ROC-curves-on-a-common-graph-tf3953552.html#a11217382 Sent from the R help mailing list archive at Nabble.com.
Tirthadeep <sabya231 <at> gmail.com> writes:> >library(ROCR) > > >plot(roc1) > >plot(roc2) > > gives two plots on two different graph. Now i want to merge on a single > graph. > > >plot(roc1) > >points(roc2)Use parameter add=TRUE in all but the first call Dieter