Measuring the accuracy of diagnostic systems.

  title={Measuring the accuracy of diagnostic systems.},
  author={John A. Swets},
  volume={240 4857},
Diagnostic systems of several kinds are used to distinguish between two classes of events, essentially "signals" and "noise". For them, analysis in terms of the "relative operating characteristic" of signal detection theory provides a precise and valid measure of diagnostic accuracy. It is the only measure available that is uninfluenced by decision biases and prior probabilities, and it places the performances of diverse systems on a common, easily interpreted scale. Representative values of… CONTINUE READING
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