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Ultracool dwarf Science with MachIne LEarning (USMILE). I. Scalable Tree-based Models for Photometric Spectral Classification and New Discoveries from LSST Data Preview 1 and Euclid Quick Data Release 1

  • Authors: Zhoujian Zhang, 周健 张, Yanxia Li, 燕侠 李

Zhoujian Zhang et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 4.

Feature importance for the USMILE baseline classifier (left) and customized classifier (right), ranked by XGBoost F scores (i.e., the frequency with which each feature is used to split the data across all trees). The four most influential features for each classifier are highlighted in color.

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