Parameter Tuning for Nynex Max:Minimizing Misclassification Costs

PDT PDI PDO PDF

PDT 0 126 142 173 Retest

PDI 122 0 156 187 Central office

PDO 135 153 0 200 Customer�s wiring

PDF 160 178 194 0 Cable facility

• Mistaking a PDI for a PDT has a cost of 122

• Minimize Average Misclassification Costs

AverageCost

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cost

(

ActualClass(i),

PredictedClass(i))

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i

N

N

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