How can i Plot ROC for more than 1 classifier?

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Mariam Sheha
Mariam Sheha 2014-2-8
回答： Image Analyst 2014-2-16
Hi every body:
I'd like to ask if i have classifiers result as follow and i want to represent it on ROC, what can i do??
Class TP FP
ANN 32 8
SVM1 38 2
SVM2 30 10
KNN 35 5
I am trying to use that relation but i don't know how to place my data?
[X,Y,T,AUC] = perfcurve(labels,scores,posclass)
Can anybody please help me through that issue... Thanks a lot

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回答（1 个）

Image Analyst
Image Analyst 2014-2-16
Use separate axes, or if you want the curves all on one axes, then call hold on after you plot the first one.

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