Formal Treatment of Aggregate Mortality Data

  • Wilhelm Lexis
Part of the Biomathematics book series (BIOMATHEMATICS, volume 6)


As an example of a population with a single source of variation, let us consider that of a fixed territory subject only to death. (One could consider birth as the alteration of condition, but it seems more natural to take the births as the absolute starting point of the elements). The proposed treatment is valid also for the presentation of any other kind of alteration of condition of those born.


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  1. Wilhelm Lexis (1875) From Einleitunq in die Theorie der Beoolkerunqs-Statistik, pp. 5–7. Strasbourg: Trubner. Translated by Nathan Keyfitz.Google Scholar

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© Springer-Verlag Berlin · Heidelberg 1977

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  • Wilhelm Lexis

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