[R] how to compute a roc curve

[Saeed Abu Nimeh]

Try library("ROCR")

Pau Marc Munoz Torres wrote:
> Hi,
> 
>  I'm trying to set up a prediction software, now i testing the performance
> of my method, so i need to calculate a ROC curve, specially auc, cut-off,
> sens and spec, i just looking at ROCH package, but it's a mass for me,  i'm
> not a math guy and I'm getting lost
> 
> Could any of you recommend me an easy-to-use package to do this task? i just
> have a list of positive/negative samples and his score on my program. can I
> compute a roc curve with this?
> 
> thanks
> 
> pau
> 
> 
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