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Need help with the Specificity and sensitivity data

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prashanth A
prashanth A el 26 de Mzo. de 2018
Comentada: Rik el 26 de Mzo. de 2018
I have image segmentation results with me. I could also compare the result of algorithm with manual segmentation. Through this I could calculate TP, TN, FP and FN for 30 images.
1. Is it possible to plot ROC using this data? 2. How to present this data in a meaningful manner?
  1 comentario
Rik
Rik el 26 de Mzo. de 2018
  1. You can only plot an ROC in cases where you can adjust some parameter that changes the sens/spec. If you algorithm has such a parameter, you can run your algorithm with a range of settings. The resulting pairs of sens/spec form your ROC curve.
  2. What presentation is meaningful depends on your subject.
These are not really Matlab questions. Have a read here and here. It will greatly improve your chances of getting an answer.

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