Contrasting two frameworks for ROC analysis of ordinal ratings.

  title={Contrasting two frameworks for ROC analysis of ordinal ratings.},
  author={Daryl E. Morris and Margaret Sullivan Pepe and William Eric Barlow},
  journal={Medical decision making : an international journal of the Society for Medical Decision Making},
  volume={30 4},
BACKGROUND Statistical evaluation of medical imaging tests used for diagnostic and prognostic purposes often employs receiver operating characteristic (ROC) curves. Two methods for ROC analysis are popular. The ordinal regression method is the standard approach used when evaluating tests with ordinal values. The direct ROC modeling method is a more recently developed approach, motivated by applications to tests with continuous values. OBJECTIVE The authors compare the methods in terms of… CONTINUE READING