Receiver operating curve
Jump to navigation
Jump to search
A receiver operating curve (ROC) is a plot of sensitivity versus 1-specificity. The name is derived from its original use in radar technology. The dotted line shown in the ROC curve represents a useless test that has no discriminatory power. The size of the area between the dotted line and the solid line in the ROC curve reflects the ability of a test to discriminate between diseased and non-diseased individuals across the range of potential cut-offs.
Traditional Operating Curve (ROC)
Another, perhaps more intuitive, way of displaying the same information is:
