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A safety rule approach to surveillance and eradication of biological invasions

Fig 1

The program cost distribution, the expected cost and the CVaRα concept.

The scenarios in the right tail of the cost distribution above the confidence level α (shaded area) depict the worst outcomes with the highest costs. These outcomes are characterized with the VaRα and CVaRα metrics. Minimizing the CVaRα deviation decreases the expected value of the cost distribution above VaRα.

Fig 1

doi: https://doi.org/10.1371/journal.pone.0181482.g001