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uBoost: A boosting method for producing uniform selection efficiencies from multivariate classifiers
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The use of multivariate classifiers, especially neural networks and decision trees, has become commonplace in particle physics. Typically, a series of classifiers is trained rather than just one to enhance the performance; this is known as boosting. This paper presents a novel method of boosting that produces a uniform selection efficiency in a user-defined multivariate space. Such a technique is ideally suited for amplitude analyses or other situations where optimizing a single integrated figure of merit is not what is desired.
Forward citations
Cited by 2 Pith papers
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Higgs Signal Strength Estimation with Machine Learning under Systematic Uncertainties
SAGE, a dual-branch GNN trained under nuisance fluctuations, estimates the Higgs signal strength with near-nominal coverage (0.662-0.683) but wider intervals than the top FAIR-HUC leaderboard methods.
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Mass Agnostic Jet Taggers
A systematic comparison shows that data-augmentation jet taggers (planing and PCA scaling) achieve background-preserving performance similar to adversarial networks and uBoost, with much lower training cost.
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