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| Heligman-Pollard Model× | 生命表分析× | |
|---|---|---|
| 领域 | 人口学 | 人口学 |
| 方法族≠ | Regression model | Survival analysis |
| 起源年份≠ | 1980 | 1984 |
| 提出者≠ | Larry Heligman & John H. Pollard | Demographic/actuarial tradition; Chiang |
| 类型≠ | Parametric whole-lifespan mortality law | Age-structured mortality estimator |
| 开创性文献≠ | Heligman, L., & Pollard, J. H. (1980). The age pattern of mortality. Journal of the Institute of Actuaries, 107(1), 49–80. DOI ↗ | Chiang, C. L. (1984). The Life Table and Its Applications. Robert E. Krieger Publishing. ISBN: 978-0-89874-565-2 |
| 别名 | Heligman-Pollard Mortality Law, Eight-Parameter Mortality Model, HP Mortality Model, Heligman-Pollard Ölümlülük Modeli | Mortality Table, Actuarial Table, Survival Table, Yaşam Tablosu |
| 相关≠ | 4 | 3 |
| 摘要≠ | The Heligman-Pollard model is an eight-parameter parametric law that describes the age pattern of mortality across the entire human lifespan in a single equation. Introduced by Larry Heligman and John Pollard in 1980, it represents the odds of dying at each age as the sum of three additive components — a rapidly declining childhood term, a young-adult accident hump, and an exponentially rising senescent term — capturing the full characteristic shape of the mortality curve from birth to old age. | A life table is a systematic, age-structured summary of the mortality experience of a population. It traces a hypothetical cohort of births — conventionally 100,000 — through successive age intervals, recording how many survive, how many die, and how many person-years are lived at each interval. The method was formalized in its modern probabilistic form by Chiang (1984), synthesizing centuries of actuarial and demographic practice into a rigorous statistical framework applicable to human and biological populations alike. |
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