Intheproblemofbinaryclassification(ormedicaldiagnosis),theclassificationrule(ordiagnostictest)producesacontinuousdecisionvariablewhichiscomparedtoacriticalvalue(orthreshold).Testvaluesabove(orbelow)thatthresholdarecalledpositive(ornegative)fordisease.Thetwotypesoferrorsassociatedwith