P66Model EvaluationIntermediateChoose12 min

Choose a Classification Threshold Under Asymmetric Costs

Choose a threshold from error costs.

#choose#thresholds#costs

Scenario

At 0.30 there are 18 FN and 220 FP; at 0.60 there are 42 FN and 70 FP. FN costs 500, FP costs 20.

Problem statement

Choose the lower expected-cost threshold.

Your Task

  1. Calculate costs.
  2. Choose a threshold.
  3. Check capacity.

Related Concepts

False positivesExpected cost

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