Uncertainty Quantification With Multiple Sources
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Abstract (arXiv)
Weighted conformal prediction (WCP) has been commonly used to quantify prediction uncertainty under covariate shift. However, the effectiveness of WCP relies heavily on the degree of overlap between the training and test covariate distributions. This challenge is exacerbated in multi-source settings with varying covariate distributions, where direct application of WCP can be impractical. In this paper, we address the multi-source setup by leveraging WCP under the assumption of a shared conditional distribution. We investigate two extensions of WCP: (i) a merge-based aggregation of source-specific weighted conformal prediction sets, and (ii) a data-pooling strategy that jointly reweights samples across all sources. Theoretical guarantees are provided for the proposed approaches, and experiments are conducted based on a synthetic regression task and a multi-domain image classification benchmark to validate our proposed methods.
Key facts. Cited by 2 papers in the map (data through 14 Oct 2026). Builds on 18 of its 37 references that are in the map. First posted on arXiv 10 May 2024.
Builds on
18 of 37 references.
References · 18
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6 more
- 2023Model-free selective inference under covariate shift via weighted conformal p-valuescited by 29
- 2021Multi Split Conformal Predictioncited by 21
- 2023Distribution-free inference with hierarchical datacited by 15
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Citing papers per year: 2024: 2.
2 papers.
- 2024Conformal Prediction: A Data Perspectivecited by 25
- 2024Distribution-Free Predictive Inference under Unknown Temporal Driftcited by 0
- 2024Conformal Prediction: A Data Perspective9 Oct 2024
- 2024Distribution-Free Predictive Inference under Unknown Temporal Drift10 Jun 2024