Timeline for How to determine best cutoff point and its confidence interval using ROC curve in R?
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| Dec 21, 2015 at 14:04 | comment | added | Frank Harrell | Exactly right that you need external knowledge to get the optimum decision. But the loss function is not stated in terms of the quantities above, and the optimum decision comes from the predicted probability of the outcome for the individual subject, coupled with the loss function. | |
| Jun 4, 2012 at 17:21 | history | answered | cbeleites | CC BY-SA 3.0 |