Decision Rules
A decision rule makes a choice using an optimality criterion. Some commonly used criteria are:
- Minimax: Choose the decision rule with the lowest worst loss — that is, minimize the worst-case (maximum possible) loss:
- Invariance: Choose the optimal decision rule which satisfies an invariance requirement.
- Choose the decision rule with the lowest average loss (i.e. minimize the expected value of the loss function):
Read more about this topic: Loss Function
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