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Could anyone please explain me...
we are already value of area under curve (c) on logistics regression on SAS then why there is need to plot ROC curce and is there is no need to plot ROC curve...?
if we plot ROC for some cut off value then how do we select the cutoff value if we give command on sas
/ ctable pprob=0.1 to 1
And also how we are going to proceed with that cutoff value for further analysis....
it will be great help to me..