Impossibility Theorems for Feature Attribution
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Abstract (arXiv)
Despite a sea of interpretability methods that can produce plausible explanations, the field has also empirically seen many failure cases of such methods. In light of these results, it remains unclear for practitioners how to use these methods and choose between them in a principled way. In this paper, we show that for moderately rich model classes (easily satisfied by neural networks), any feature attribution method that is complete and linear -- for example, Integrated Gradients and SHAP -- can provably fail to improve on random guessing for inferring model behaviour. Our results apply to common end-tasks such as characterizing local model behaviour, identifying spurious features, and algorithmic recourse. One takeaway from our work is the importance of concretely defining end-tasks: once such an end-task is defined, a simple and direct approach of repeated model evaluations can outperform many other complex feature attribution methods.
Key facts. Cited by 78 papers in the map (data through 7 Oct 2026). Builds on 34 of its 57 references that are in the map. First posted on arXiv 22 Dec 2022.
Builds on
34 of 57 references.
References · 34
- 2017A Unified Approach to Interpreting Model Predictionscited by 6,488
- 2016"Why Should I Trust You?": Explaining the Predictions of Any Classifiercited by 5,040
- 2017Fashion-MNIST: a Novel Image Dataset for Benchmarking Machine Learning Algorithmscited by 4,283
- 2017Axiomatic Attribution for Deep Networkscited by 3,350
- 2013Deep Inside Convolutional Networks: Visualising Image Classification Models and Saliency Mapscited by 2,348
- 2018Sanity Checks for Saliency Mapscited by 1,149
- 2017SmoothGrad: removing noise by adding noisecited by 1,097
- 2020Concept Bottleneck Modelscited by 1,022
- 2018RISE: Randomized Input Sampling for Explanation of Black-box Modelscited by 825
- 2017Interpretable Explanations of Black Boxes by Meaningful Perturbationcited by 611
- 2019The many Shapley values for model explanationcited by 341
- 2019On the (In)fidelity and Sensitivity for Explanationscited by 309
22 more
- 2016Understanding Deep Neural Networks with Rectified Linear Unitscited by 253
- 2019Explaining individual predictions when features are dependent: More accurate approximations to Shapley valuescited by 205
- 2020Problems with Shapley-value-based explanations as feature importance measurescited by 198
- 2019Full-Gradient Representation for Neural Network Visualizationcited by 189
- 2019Feature relevance quantification in explainable AI: A causal problemcited by 164
- 2019XRAI: Better Attributions Through Regionscited by 116
- 2022Which Explanation Should I Choose? A Function Approximation Perspective to Characterizing Post Hoc Explanationscited by 77
- 2018A Theoretical Explanation for Perplexing Behaviors of Backpropagation-based Visualizationscited by 59
- 2019Visualizing Deep Networks by Optimizing with Integrated Gradientscited by 59
- 2021Local Explanations via Necessity and Sufficiency: Unifying Theory and Practicecited by 45
- 2020One Explanation is Not Enough: Structured Attention Graphs for Image Classificationcited by 32
- 2020Approximating Lipschitz continuous functions with GroupSort neural networkscited by 27
- 2022Improved Bounds on Neural Complexity for Representing Piecewise Linear Functionscited by 26
- 2018Using Attribution to Decode Dataset Bias in Neural Network Models for Chemistrycited by 25
- 2022Attribution-based Explanations that Provide Recourse Cannot be Robustcited by 20
- 2020iGOS++: Integrated Gradient Optimized Saliency by Bilateral Perturbationscited by 19
- 2021FairCanary: Rapid Continuous Explainable Fairnesscited by 12
- 2021Towards Rigorous Interpretations: a Formalisation of Feature Attributioncited by 11
- 2022The Solvability of Interpretability Evaluation Metricscited by 11
- 2020Biased Models Have Biased Explanationscited by 9
- 2018A Feature Selection Method Based on Shapley Value to False Alarm Reduction in ICUs, A Genetic-Algorithm Approachcited by 7
- 2021Symmetry-Preserving Paths in Integrated Gradientscited by 4
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Citing papers per year: 2023: 13; 2024: 26; 2025: 23; 2026: 16.
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- 2025Why and How LLMs Hallucinate: Connecting the Dots with Subsequence Associations17 Apr 2025
- 2025Towards Interpretable Deep Generative Models via Causal Representation Learning15 Apr 2025
- 2025Fast Fourier Correlation is a Highly Efficient and Accurate Feature Attribution Algorithm from the Perspective of Control Theory and Game Theory2 Apr 2025
- 2025How to safely discard features based on aggregate SHAP values29 Mar 2025
- 2025From Abstract to Actionable: Pairwise Shapley Values for Explainable AI18 Feb 2025
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- 2024Feature Responsiveness Scores: Model-Agnostic Explanations for Recourse29 Oct 2024
- 2024Less Discriminatory Alternative and Interpretable XGBoost Framework for Binary Classification24 Oct 2024
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- 2026The Attribution Contract for Generative Language Modelscited by 0
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- 2023Finding Neurons in a Haystack: Case Studies with Sparse Probingcited by 328
- 2024LLM Circuit Analyses Are Consistent Across Training and Scalecited by 60
- 2024Explainable AI for Safe and Trustworthy Autonomous Driving: A Systematic Reviewcited by 52
- 2023Bridging the Human-AI Knowledge Gap: Concept Discovery and Transfer in AlphaZerocited by 41
- 2023Explaining Predictive Uncertainty with Information Theoretic Shapley Valuescited by 36
- 2023Don't trust your eyes: on the (un)reliability of feature visualizationscited by 32
- 2023Transformers are uninterpretable with myopic methods: a case study with bounded Dyck grammarscited by 30
- 2024Rethinking Data Shapley for Data Selection Tasks: Misleads and Meritscited by 29
- 2025We Can't Understand AI Using our Existing Vocabularycited by 25
- 2024The Interpretable and Effective Graph Neural Additive Networkscited by 19
- 2023Stability Guarantees for Feature Attributions with Multiplicative Smoothingcited by 14
- 2025Why and How LLMs Hallucinate: Connecting the Dots with Subsequence Associationscited by 14
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- 2026Local Additive Feature Attribution: A Mathematical Taxonomy and Reporting Checklist15 Jul 2026
- 2026Nonlinear Axiomatic Attribution for Cooperative Games10 Jul 2026
- 2026Resolving superposition in AI for interpretability and cross-modal alignment in patient-neuronal images30 Jun 2026
- 2026Reliability, Faithfulness, and the Limits of Post-hoc Explanations of Opaque Scientific Models28 Jun 2026
- 2026Position: Genomic Model Research Must Move Beyond Anecdotal Evaluation of Interpretability Methods29 May 2026
- 2026Fundamental Limitation in Explaining AI23 May 2026
- 2026AIM: Adversarial Information Masking for Faithfulness Evaluation of Saliency Maps16 May 2026
- 2026Correcting Influence: Unboxing LLM Outputs with Orthogonal Latent Spaces12 May 2026
- 2026Manifold-Aligned Guided Integrated Gradients for Reliable Feature Attribution4 May 2026
- 2026First-Mover Bias in Gradient Boosting Explanations: Mechanism, Detection, and Resolution22 Mar 2026
- 2026Unifying Formal Explanations: A Complexity-Theoretic Perspective20 Feb 2026
- 2026Causality is Key for Interpretability Claims to Generalise18 Feb 2026
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