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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: N Am Actuar J. 2011;15(3):432–447. doi: 10.1080/10920277.2011.10597629

Figure 4. Historical Mortality Data with Presumably Different Quality.

Figure 4

Note: Logarithm of the hazard rate (per year) for two birth cohorts as a function of age. Comparison of less reliable (older 1881 birth cohort, lower line) and more reliable (more recent 1891 birth cohort, upper line) data. Solid lines show fit by a polynomial function with a quadratic term. Data from the DMF.