what is the meaning of "ROC(Threshholds)"?
lg21c
New Altair Community Member
what is the meaning of "ROC(Threshholds)"? See Picture Below
It is the result of process "Jump to Tutorial Process" of operator "Performance"
It is the result of process "Jump to Tutorial Process" of operator "Performance"
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Answers
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Hi,in order to get a certain TPR/FPR (the red curve) you need to apply a certain confidence threshold. Thats the blue curve.Cheers,Martin0
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Hi @lg21c, the x-axis of ROC is false positive rate. We want to have a model that reach a high true positive rate while a low false positive rate, the lower the better. More definitions: http://www.damienfrancois.be/blog/files/modelperfcheatsheet.pdf
Cheers,
YY0