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To draw the roc curve using FPR and TPR

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Nithya SIvasamy
Nithya SIvasamy 2016-8-29
回答： Thorsten 2016-8-29
The false positive rate and true positive rate are in the range between 0 and 1 .But when i use plotroc() i am getting a graph in straight line manner.
Can anyone help me to draw the roc curve

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回答（1 个）

Thorsten
Thorsten 2016-8-29
plot(fpr, tpr)
It's possible to get a straight line, e.g., if the operator has zero discrimination.

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