Are there tutorials you recommend that teach how to draw an
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If you want to learn how to draw ROC curves by hand, wikipedia is a good place to start.
If you just want to calculate a plot a ROC curve, and don't really care to learn how the math works, try the colAUC funcion in the caTools package in R.
I believe most major stats packages can drawn ROC curves as well, and a little googling should help you find the appropriate commands.