mlsanityData to 7 Oct 2026

A Cautionary Tale of Decorrelating Theory Uncertainties

arXiv 2109.08159 ↗First posted 16 Sep 2021hep-ph cs.LG hep-excited by 11

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Abstract (arXiv)

A variety of techniques have been proposed to train machine learning classifiers that are independent of a given feature. While this can be an essential technique for enabling background estimation, it may also be useful for reducing uncertainties. We carefully examine theory uncertainties, which typically do not have a statistical origin. We will provide explicit examples of two-point (fragmentation modeling) and continuous (higher-order corrections) uncertainties where decorrelating significantly reduces the apparent uncertainty while the actual uncertainty is much larger. These results suggest that caution should be taken when using decorrelation for these types of uncertainties as long as we do not have a complete decomposition into statistically meaningful components.

Key facts. Cited by 11 papers in the map (data through 7 Oct 2026). Builds on 17 of its 88 references that are in the map. First posted on arXiv 16 Sep 2021.

Builds on

17 of 88 references.

References · 17

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5 more
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Cited by year (2026 to 7 Oct)

Citing papers per year: 2021: 2; 2022: 4; 2023: 0; 2024: 2; 2025: 1; 2026: 2.

11 papers.