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Tabular Foundation Models for the Estimation of Probabilistic Quasar Photometric Redshifts in S-PLUS

  • Authors: Raquel R. Valença, Lilianne Nakazono, Rafael Izbicki, Marco Henrique de Almeida Inácio, Bruno Marcondes e Resende, Maycon Jorge Deláqua da Silva, Kiana Coimbra Buin Lins, Natanael M. Cardoso, Claudia Mendes de Oliveira

Raquel R. Valença et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure C1.

PIT P–P curves at ntrain = 121,626 before and after importance weighting. The black, blue, and orange curves correspond to the unweighted, tempered (α ≃ 0.36), and raw (α = 1) evaluations, respectively. The dotted diagonal represents exact PIT uniformity, and the PIT-KS values in each panel follow the legend order. This comparison diagnoses sensitivity to reweighting over the observed covariates.

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