[R] calculating area under the ROC curve

From: John Christie <jc_at_or.psychology.dal.ca>
Date: Tue, 01 May 2007 13:18:36 -0400


Hi,

        I recently did a study where we gathered decisions and confidence ratings. My understanding is that I can convert this to a ROC curve by getting hits and false alarms at the various confidence ratings. I figured out that part of the problem. I noticed a few functions for calculating AUC. Are there any preferred ones for this particular kind of design?



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