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Creators/Authors contains: "Kumar, I. Elizabeth"

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  1. ; ; ; (, Proceedings of the 37th International Conference on Machine Learning)
    null (Ed.)
    Accepted Manuscript Full Text Available
  2. ; ; ; (, Proceedings of the International Conference on Machine Learning (ICML))
    Game-theoretic formulations of feature importance have become popular as a way to “explain” machine learning models. These methods define a cooperative game between the features of a model and distribute influence among these input elements using some form of the game’s unique Shapley values. Justification for these methods rests on two pillars: their desirable mathematical properties, and their applicability to specific motivations for explanations. We show that mathematical problems arise when Shapley values are used for feature importance, and that the solutions to mitigate these necessarily induce further complexity, such as the need for causal reasoning. We also draw on additional literature to argue that Shapley values are not a natural solution to the human-centric goals of explainability. 
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    Accepted Manuscript Full Text Available