AUC
Area under the ROC curve: the chance that a randomly chosen positive gets a higher score than a randomly chosen negative. 0.5 is a coin flip and 1 is a perfect ranking; it says nothing about where to put the threshold.
Area under the ROC curve: the chance that a randomly chosen positive gets a higher score than a randomly chosen negative. 0.5 is a coin flip and 1 is a perfect ranking; it says nothing about where to put the threshold.