[R] ROC Analysis

[Camille Leclerc]

Hi,
Pascal, I tried to use your method which functions but the values of the
abscissa are not good. When I talked about “value”, I wanted mean the values
of my starting dataset that I have classified into two classes positive and
negative classes, such as this :

Value      Status      TPF       TNF
1000	1		
487	        0		
852	        1		
927	        1		
799	        1		
369	        0		
…	        …	
	
And for each value of my dataset, I want the tpf and tnf. 
With your method, I have an abscissa which has values between 0 and 1.

All the best,
Camille



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Camille Leclerc, Master student
Lab ESE, UMR CNRS 8079
Univ Paris-Sud
Bat 362
F-91405  Orsay Cedex FRANCE
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