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Survival analysis

Nelson-Aalen 累积风险估计量

Nelson-Aalen 估计量是一种非参数估计量,用于从右删失的时间-事件数据中估计累积风险函数。该估计量由 Wayne Nelson 于 1972 年为可靠性风险绘图开发,并于 1978 年由 Odd Aalen 在严格的计数过程基础上进行完善。它累积了在每个事件时间点观察到的事件数与风险人数之比,提供了与 Kaplan-Meier 生存曲线相对应的自然风险尺度伴侣。

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来源

  1. Nelson, W. (1972). Theory and applications of hazard plotting for censored failure data. Technometrics, 14(4), 945–966. DOI: 10.1080/00401706.1972.10488991
  2. Aalen, O. (1978). Nonparametric inference for a family of counting processes. Annals of Statistics, 6(4), 701–726. DOI: 10.1214/aos/1176344247

如何引用本页

ScholarGate. (2026, June 2). Nelson-Aalen Cumulative Hazard Estimator. ScholarGate. https://scholargate.app/zh/survival/nelson-aalen

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被引用于

ScholarGateNelson-Aalen Estimator (Nelson-Aalen Cumulative Hazard Estimator). 于 2026-06-15 检索自 https://scholargate.app/zh/survival/nelson-aalen · 数据集: https://doi.org/10.5281/zenodo.20539026