Displaying 1 result from an estimated 1 matches for "tp4469203p4478233".
2012 Mar 13
7
ROC Analysis
Hi everybody,
I have a data set with a value and a status (positive or negative case) and
I want make a ROC Analysis. So, with ROCR Package, I have got the ROC curve
(True Positive Fraction [tpf] according 1-True Negative Fraction [1-tnf]).
http://r.789695.n4.nabble.com/file/n4469203/01.png
But, now I want a new graphic which show the sum of true positive fraction
and true negative fraction