keyfitz: Keyfitz and Flieger method.

In milokmilo/strandCet: Estimation of Biological Parameters from Stranded Cetaceans

Keyfitz and Flieger method.

Description

Utility used by life.Leslie to graduate the person-years lived by those dying in the interval by the method of Keyfitz and Flieger (1990).

Usage

keyfitz(b0, nMx)

Arguments

b0	Two-element vector of regression coefficients provided in Keyfitz and Flieger (1990).
nMx	Period central death rates = nDx/nKx.

Value

The first two values (age classes 0-1 and 1-5) of the nax column of a period life table.

Note

Utility function called by life.Leslie

References

Keyfitz, N. and Flieger, W. (1990). World population growth and aging: Demographic trends in the late twentieth century. Chicago: University of Chicago Press.

See Also

life.Leslie.

milokmilo/strandCet documentation built on July 11, 2022, 5:57 a.m.