[R] Howto plot ROC Curve Directly from SN/PPV

Gundala Viswanath gundalav at gmail.com
Thu Feb 16 09:53:58 CET 2012

Dear expert,

Given such data:

#Cutpoint	  SN   (1-PPV)
5	0.56	0.01
7	0.78	0.19
9	0.91	0.58

How can I plot ROC curve with R that produce similar result like the
attached file?

I know ROCR package but it doesn't take such input.

- GV

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