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协变量偏移下共形预测的草图校准方法

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2026年10月8日,arXiv(Statistics Machine Learning)发表关于协变量偏移下共形预测的草图校准方法论文。论文提出 sketched calibration,用压缩协变量 Z=T(X) 的似然比替代原始加权共形预测中的似然比;该压缩不会增加与偏移相关的校准成本,目标覆盖率为至少 1−α−Δ_T。目前仅见该篇报道,事件尚无后续进展或不同说法。

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Oct 8, 2026
  1. arXiv · Statistics Machine Learning
    协变量偏移下共形预测的草图校准方法

    论文提出 sketched calibration,用压缩协变量 $Z=T(X)$ 的似然比替代原始加权共形预测中的似然比,压缩不会增加与偏移相关的校准成本,目标覆盖率为至少 $1-\alpha-\Delta_T$。

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