Hi All, 
I am plotting different lines in my graph and the problem I have is that if the first plot has smaller y value than the second plot, I will not be able to see the the top part of the graph. I do the following:plot(p1, avg="vertical", lwd=3, col="red", main ="all graphs")plot(p2, avg="vertical", lwd=3, col="pink", add = TRUE)
where p1 and p2 are the performance measures from the ROCR package. The problem I have is that for the first plot, the max of y axis is 0.3 and for the second plot is 1, but when I am done with plotting, I can not see the top part of the second plot. So, I was wondering if there is any way to have the max of y axis to be 1 so that I can see the top part of the second plot as well too? 
Thanks a lot,Andra
Thanks a lot,Andra


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