A training target that stands in for the construct a decision is meant to capture, such as health-care cost standing in for health need 1. When the proxy is shaped by unequal treatment, a model can be accurate on the proxy and biased on the construct.
- Developed in
- Case: a health risk score with a proxy label
- Chapters
- ch. 16, Fairness & XAI
- Contrast with
- Proxy variable
- Source
- 1 numbered reference, listed below
Where it is used
The term is not used under this name in running prose; the sections listed under "Developed in" treat it.
Sources
- [1] "Dissecting racial bias in an algorithm used to manage the health of populations" (Obermeyer, Powers, Vogeli and Mullainathan; Science 366(6464):447-453; cost as a proxy for need). Science. 2019-10-25. https://doi.org/10.1126/science.aax2342 (verified: primary)
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