how do i get a optimal cutoff value directly in the form of numeric from roc curves

+1 vote

Oct 17, 2019 in Python by Ram
• 130 points
2,454 views

1 answer to this question.

+1 vote

The optimal CutOff value is the point where there is high true positive rate and low false positive rate. According to this logic, you can use the below code to get the value:

optimal_idx = np.argmax(tpr - fpr)
optimal_threshold = thresholds[optimal_idx]
answered Oct 17, 2019 by Saira

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